4a)

Money is invested at 12.30% p.a. compounded quarterly for 22 months.

What is the numerical value of CY?

b) What principal value will grow to $4334 if invested for 6 years at 7.04% p.a. compounded annually? State your answer in dollars ($) with two decimals.

c)

Money is invested at 3.51% p.a. compounded semi-annually for 5 years and 8 months.

What is the numerical value of n? State your answer with 6 decimals.