Assume the following information for a capital budgeting proposal with a five$-$year time horizon:

Initial investment:

Cost of equipment $($zero salvage value$)$ $ $580,000$

Annual revenues and costs:

Sales revenues $ $300,000$

Variable expenses $ $130,000$

Depreciation expense $ $50,000$

Fixed out$-$of$-$pocket costs $ $40,000$

This proposal$$s simple rate of return is closest to: