So the first 2 years you have nothing because you didn't in invest. After 2 yrs you receive the $42,000 which you now invest for the next 8 yrs.
The formula is:
42,000 * (1+0.065 * 8) = 42,000* (1+ 0,52) = $63,840
That is after 8 yrs of investing plus the 2 years prior to receiving the money is 10 yrs.
After 10 years you will have $63,840