Problem 15-22 Return on investment LO 15-6 Walton Corporation's balance sheet indicates that the company has $680,000 invested in operating assets. During 2018, Walton earned operating income of $92,480 on $1,360,000 of sales. Required a. Compute Walton's profit margin for 2018 b. Compute Walton's turnover for 2018 c. Compute Walton's return on investment for 2018 d. Recompute Walton's ROI under each of the following independent assumptions: (0) Sales increase from $1,360,000 to $1,632,000, thereby resulting in an increase in operating Income from $92,480 to $97.920. (2) Sales remain constant, but Walton reduces expenses, resulting in an increase in operating income from $92,480 to $95.200. (3) Walton is able to reduce its invested capital from $680,000 to $544,000 without affecting operating income. Reg A toc Reg D Compute Walton's profit margin, turnover and return on investment for 2018. (Round "Profit margin" and "Return on Investment to 1 decimal place.) Profit margin Tumover C. Return on investment RegD > Req A to C RegD Recompute Walton's ROI under each of the following independent assumptions: (Do not round Intermediate calculations. Round your answers to 2 decimal places. (.e., .2345 should be entered as 23.45).) (1) Sales increase from $1,360,000 to $1,632,000, thereby resulting in an increase in operating income from $92,480 to $97,920. (2) Sales remain constant, but Walton reduces expenses, resulting in an increase in operating Income from $92,480 to $95,200. (3) Walton is able to reduce its invested capital from $680,000 to $544,000 without affecting operating income. Show less Return on Investment