Benson Corporation's balance sheet indicates that the company has $530,000 invested in operating assets. During 2018, Benson earned operating income of $56,180 on $1,060,000 of sales. Required a. Compute Benson's profit margin for 2018. b. Compute Benson's turnover for 2018 c. Compute Benson's return on investment for 2018. d. Recompute Benson's ROl under each of the following independent assumptions: (1) Sales increase from $1,060,000 to $1,272,000, thereby resulting in an increase in operating income from $56,180 to $69,960. (2) Sales remain constant, but Benson reduces expenses, resulting in an increase in operating income from $56,180 to $58,300. (3) Benson is able to reduce its invested capital from $530,000 to $424,000 without affecting operating income. Complete this question by entering your answers in the tabs below. Reqs A to C Req D Compute Benson's profit margin, turnover and return on investment for 2018. (Round "Profit margin" and "Return on investment" to 1 decimal place.) Profit margin Turnover Return on investment times