option A is wrong.

CSC Corporation is considering two alternative investment proposals with the following data: Proposal A $900,000 9 years Proposal B $488,000 9 years Investment Useful life Estimated annual net cash inflows for 9 years Residual value Depreciation method Required rate of return $130,000 $84,000 $42,000 Straight-line Straight-line 15% 12% What is the accounting rate of return for Proposal B? (Round any intermediary calculations to the nearest dollar, and round your final answer to the nearest hundredth of a percent, X.XX%.) 17.21% 6.10% 11.11% 4.06%