An investor needs $16,000 in 16 years. (a) What amount should be deposited in a fund 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 9.6% compounded quarterly. (a) The deposit should be $ - (Do not round until the final answer. Then round to the nearest cent as needed.)