You plan to save money for a down payment of $$42,000$ to purchase an apartment. You can only afford to save $$1,250$ at the end of every quarter into an account that earns interest at $4\mathrm{.}19\%$ compounded annually. How long will it take you to save the planned amount?

a$.$ How many deposits will you have to make?

Round up to the next whole number

b$.$ How long will it take you to save the planned amount?

years months

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