An investor has accumulated $360000 in her retirement account that pays a 3.87% interest rate compounded monthly. She plans to withdraw $5000 per month. Find the number of withdrawals before the value of the account drops below $100000

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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 An investor has accumulated $360000 in her retirement account that pays a 3.87% interest rate compounded monthly.
She plans to withdraw $5000 per month. Find the number of withdrawals before the value of the account drops below $100000

Expert Solution
Step 1

P0=d1-1+rk-NkrkWhere,P0= Balance accumulatedd=Regular withdrawalr=annual interest ratek=number of compounding periods in 1 yearN=number of years we plan to take withdrawals

we have given 

P0=$360000d=5000r=3.87%k=12N=N

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