This, as well as Brokerage and Insurance, is computed in the same Manner as for even Pounds, and for 4, 1, or 2, as in the last Case. EXAMPLES. (7) My Factor writes me Word, that he has bought Goods upon my Account, to the Value of 474/ 14s 6d. I demand to know what his Commission comes to at 34 per Cent? (8) Suppose I allow my Correspondent 24 per Cent. for his Commission; what is his Demand on the Disbursement of 7427 12s 6d? BROKERAGE IS an Allowance or Fee paid to a Person called a Broker, for assisting others in buying or disposing of their Goods; and in the City of London they are not to act without a Licence from the Lord Mayor. Case 3. To find the Brokerage for any Sum, at any Rate under 17. per Cent. RULE. Divide the given Sum by 100, and it will give the Interest at 11. per Cent. which Interest you must take Parts from, with the Rate per Cent. and add them together the Sum will be the Brokerage required. EXAMPLES. (9) What is the Brokerage of 4201 12s 6d. at 6s 4d. per Cent? 2 (10) Suppose I employ a Broker, who sells Goods for me, to the Value of 1000l. what may he demand for Brokerage, it being at 4s 6d. per Cent? (11) Suppose a Broker disposes of Goods for me, to the Amount of 540/ 10s.. what comes the Brokerage to, at 13s. 10d. per Cent? (12) What is the Brokerage of 24741 15s. at 19s 91d. per. Cent? INSURANCE IS a Contract or Agreement whereby one or more Persons, called Insurers, &c. oblige themselves to Answer for the loss or Damage of Ships, Houses, Goods, &c. by Storms, Fires, &c. in Consideration of a Premium paid by the Proprietors of the Thing injured. To find the Insurance of any Sum, at any Rate under 17. proceed as in the last Case; if above, as in Case 1. EXAMPLES. (13) Suppose I insure for 14601. at 2s 6d. per Cent. per Ann. what doth the Insurance come to? (14) What is the Insurance of 24601. at 10/ 15s. per Cent? (15) Shipped at Jamaica, Goods to the Value of 2500. upon which I made an Insurance at 6 per Cent. What does it come to? (16) What is the Insurance of an East-India Ship and Cargo, valued at 7406/ 17s 6d. at 15 per Cent? PURCHASING of STOCKS. STOCKS are the public Funds of the Nation, the Shares of which being transferable from one Person to another, occasions that extensive Business called Stock-Jobbing. RULE. Multiply the Sum to be purchased, by the excess of the Rate per Cent. above 100: the Product divide by 100, as before, and the Quotient added to the given Sum will give the required Purchase. If under Par, i. e. if under 100 per Cent. proceed as in Case 2. EXAMPLES. (17) What is the Purchase of 4001. South-Sea Stock, at 120/ 5s per Cent? (18) What is the Purchase of 4701. Bank Stock, at 873 per Cent? (19) What is the Purchase of 2470/ 17. 10d. Bank Annuities, at 1034 per Cent? A (20) What is the Purchase of 8761. India Stock, at 114{ per Cent? Case 4. When the Interest is for 4, 4, or 4 of a Year, or any Number of Years besides. RULE. Find the Interest for the Years, as in Case 1, then for 4, 4 or, take Parts from the Interest of one Year; i. e. for 49 take one-fourth Part of the said Interest; for, take onehalf; and for, take the Parts compound of 3, that is, a half for, then half of that half for 4, which added to the Interest for Years (if any), the Sun will be the Interest required. EXAMPLES. (21) What is the Interest of 427/ 10s. for four Months, at 4 per Cent, per Annum ? (22) What is the Interest of 2467 12s 6d. for 14 Year at 5 per Cent. per Annum? (23) Lent 209/ 18s. upon a Mortgage, to receive Interest for the same, at 44 per Cent. per Annum, till it was paid off, which was not till the End of 44 Years after. Now I should be glad to know what is due to me? (24) A Gentleman dying left his Daughter 604/ 17s 6d. for her Fortune, to be paid her when at Age, with Interest, at 51 per Cent. per Annum. Now she came to Age in 3 Years 9 Months after her Father's Death. What is the Amount of her Fortune? that is, What is she to receive in all, Principal and Interest? Gase 5. When the Interest required is for any Number of Weeks. RULE. 1. Find the Interest of the given Sum for a Year, as in Case 1. 2. Say, As 52 Weeks are to that Interest of the given Sum: so are the Weeks given to the Interest required. Or you may divide the given Week into aliquot Parts of a Year, or 52 Weeks. EXAMPLES. (25) What is the Interest of 400/ 15s. for 4 Weeks at 4 per Annum ? Cent. per (26) What is the Amount of 6007. for 26 Weeks, at 33 per Cent. per Annum ? (27) What is the Interest of 740%. for 4 Years and 42 Weeks, Annum? at 5 per Cent. per (28) What is the Amount of 2001. for 5 Years and 50 Weeks, at 4 per Cent. per Annum? Case 6. To find the Interest of of Days. RULE. any Sum, for any Number 1. Say, As 365 Days: are to the Interest of the given Sum for a Year :: so are the Days given to the Interest required. 2. When convenient, divide the Days into aliquot Parts of a Year, or 365. Or, 3. Reduce the Principal into Pence, which multiply by the Number of Days, and that Product by the Rate per Cent. for a Dividend; then multiply 365 (the Days in a Year) by 199 for a Divisor, by which divide the Dividend, and the Quotient will be the Answer in Pence, which bring to Pounds. Or, 4. Multiply the given Sum by the Number of Days, and divide the Product by 7300 (viz.100x65) the Quotient 5 will give the Interest at 5 per Cent. and, for a higher or lower Rate, take aliquot Parts for a Difference, which add or subtract accordingly. A TABLE of Days for any given Time less than a I 13260 91121 152182 213 244 274 305 335 23361 92122 153 183,214 245 275 306 336 33462 93123154184 215 246 276 307 337 4 43563 94 124 155 185 216 247 277 308 338 53664 95125|156186 217 248 278 309 339| 123456 78 3765 96126157187 218 249 279 310 340 7 73866 97127 158 188 219 250 280 311 341 8 83967 98128159189 220 251 281 312 342 9 94068 99 129 160 190 221 252 282 313 343 10 10 41 69 100 130 161 191 222 253 283 314 344 11 11 42 70 101|131|162|192 223 254284 315 345 12 1243 71 102 132 163 193 224 255 285 316 346 131344.72 103 133 164194 225 256 286 317 347 141445 73104 134 165 195 226 257 287 318 348 15 154674 105 135 166 196 227 258 288 319 349 16 164775 106|136167|197|228|259|289|320 350 17 174876107 137168198 229 260 290 321 351 18 184977 108 138 169 199 230|261|291 322 352 19 195078 109 139170200| 231 262 292323353 20 205179110140171201 232 263 293 324354 21215280111141172 202 233 264 294 325 355 22 225381112 142 173 203 234 265 295 326 356 23 23 54 82113143174 204 235 266 296 327 357 24 24 5583 114 144 175 205 236 267 297 328 358 25 255684115 145 176206 237 268 298 329 359 26 265785 116 146177 207 238 269 299 330 360 27 275886117147178208 239 270300331361 28 285987 118 148 179 209 240 271 301 332 362 29 296088 119|149|180 210 241 272 302 333 363 30301 89 120 150 181 211 242 273 303 334 364 31311 1151 212:2431 1304 13651 |
