here's the first solution . please let me do the other questions.
You want to travel to Europe to visit relatives when you graduate from college three years from now. The trip is expected to cost a total of $10,000. Your parents have deposited $5,000 for you in a CD paying 6% interest annually, maturing three years from now. Aunt Hilda has agreed to finance the balance. If you are going to put Aunt Hilda's gift in an investment earning 10% annually over the next three years, how much must she deposit now so you can visit your relatives in three years?
Step 1
FV of $5,000 lump sum
N = 3
I/Y = 6
PV = 5,000
CPT=FV = 5,955.08
Step 2
Calculate how much needs to be made up
10,000 - 5,955.08 = $4,044.92
Step 3
PV of a lump sum
N = 3
I/Y = 10
FV = 4,044.92
CPT-PV = 3,039.01
B) $3,039