Hollywood Shoes would like to maintain their cash account at a minimum level of $58,000, but expect the standard deviation in net daily cash flows to be $4,800; the effective annual rate on marketable securities to be 6.75 percent per year; and the trading cost per sale or purchase of marketable securities to be $180 per transaction. What will be their optimal cash return point? (Round your answer to 2 decimal places.) $78,509.45 $62,800.00 $83,902.57 $81,378.71