The expected average rate of return for a proposed investment of $456,700 in a fixed asset with a useful life of 4 years, straight-line depreciation, no residual value, an an expected total net income of $239,640 for the 4 years is (round to two decimal points) Oa. 13.12% Ob. 0.52% Oc. 1.05% Od. 26.24%