How much money should be invested now (rounded to the nearest cent), called the present value, in a Treasury Bond investment, yielding 4.75% per year compounded monthly for 10 years if you wish it to be worth $20,000 after 10 years?

Hint: A(t)=Ao(1+r/n)^nt

a. $12,574.47

b. $31,810.49

c. $12,449.37

d. $19,225.36