Some accounting rms give the client an option to pay a fee when the tax return is completed that guarantees tax advices and support from the accountant if the client were audited. A large accounting rm is trying to determine what fee to charge for next year's returns. In previous years. the actual mean cost to the rm for attending a client audit session was $710. To determine if this cost has changed,'the rm randomly samples 32 client audit fees. The sample mean audit cost was $690 with a standard deviation of $65. Complete parts a and b below. a) Develop a 99% condence interval estimate for the mean audit cost. The 99% condence interval for the mean audit cost is (SEMI). " (Round to the nearest dollar as needed.)