Suppose you are $40$ years old and would like to retire at the age of $65.$ You are comfortable to live off $$50,000$ per year now. How much in dollars will you need when you retire in order to have the same purchasing power as today's dollar value of $50,000?$ Assume inflation rate is $3\mathrm{.}8\%.$

ick here to solve the question in Spreadsheet.

a$)$ $$120,892\mathrm{.}80$

b$)$ $$109,852\mathrm{.}70$

c$)$ $$127,029\mathrm{.}28$

d$)$ $$106,850\mathrm{.}90$