URGENT please help!! due soon!

An investor needs $22,000 in 12 years. (a) What amount should be deposited in a flnd at the end of each quarter at 6% compounded quarterly so that there will be enough money in the fund? (b) Find the investor's quarterly deposit if the money is deposited at 4.9% compounded quarterly. (a) The deposit should be $ (Round to the nearest cent as needed.) (b) The deposit should be $ (Round to the nearest cent as needed.)