Determine the amount of money in a savings account at the end of ten years, given an initial deposit of $10,500 and an 8 percent annual interest rate when interest is compounded ( a ) annually, (b) semiannually, and (c) quarterly. Use Appendix A. (Round "FV Factor" to 3 decimal places. Round the final answer to the nearest whole dollar.) Calculate the effective annual interest rate of each compounding possibility.(Round the final answer to 2 decimal places.)