Melanie wants to accumulate at least $45,000 by depositing $1,800 at the end of each month into a fund that earns interest at 4.5% compounded monthly.

a. How many deposits does he need to make in order to reach his goal? Round to the next payment

b. How long will it take Melanie to reach his goal?

year(s) month(s)

Express the answer in years and months, rounded to the next payment period

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