San Marco has a $4,017,000 asset investment and is subject to a 40% income tax rate. Cash inflows related to the investment are expected to average $617,000 before tax over the next few years; in contrast, average income before tax is anticipated to be $521,000. The company's after-tax accounting rate of return is: Multiple Choice None of the answers is correct. 922% 778\%. 12.97% 15.36%