The expected average rate of return for a proposed investment of \\( \\$ 5,060,000 \\) in a fixed asset, using straight-line depreciation, with a useful life of 20 years, no residual value, and an expected total net income of \\( \\$ 15,180,000 \\) over the 20 years is (round to two decimal points). a. \30.00 b. \1.50 c. \60.00 d. \15.00