Solve the problem.The multiplier function M =   compares the growth of an Individual Retirement Account (IRA) with the growth of the same deposit in a regular savings account. The function M depends on the three variables n, i, and t, where n represents the number of years an amount is left at interest, i represents the interest rate in both types of accounts, and t represents the income tax rate. Values of  indicate that the IRA grows faster than the savings account. Find the multiplier when funds are left for 23 years at 5% interest and the income tax rate is 30%.

A. 1.463
B. 1.111
C. 1.345
D. 179.937


Answer: B

Mathematics

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A.

B.

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