Suppose a husband wants to take his wife on a trip three years from now to Europe to celebrate their 40 th anniversary. He has just recelved a $26,000 inheritance from an uncle and intends to invest it for the trip. The husband estimates the trip will cost $33,800. What interest rate, compounded annualy, must be earned to accumulate enough to pay for the trip? Note: Use tables, Excel, or a financial calculator. Do not round your intermediate values. Enter your answer rounded to the nearest whole percentage. (FV of \$1, PV of \$1, FVA of \$1, PVA of \$1. FVAD of \$1 and PVAD of \$1)