Munoz Corporation's balance sheet indicates that the company has $600,000 invested in operating assets. During 2018, Munoz earned operating income of $72,000 on $1,200,000 of sales. Required a. Compute Munoz's profit margin for 2018. b. Compute Munoz's turnover for 2018 c. Compute Munoz's return on investment for 2018 d. Recompute Munoz's ROI under each of the following independent assumptions: (1) Sales increase from $1,200,000 to $1,440,000, thereby resulting in an increase in operating income from $72,000 to $80,640 (2) Sales remain constant, but Munoz reduces expenses, resulting in an increase in operating income from $72,000 to $74,400 (3) Munoz is able to reduce its invested capital from $600,000 to $480,000 without affecting operating income. Complete this question by entering your answers in the tabs below. Req A to C ReqD Compute Munoz's profit margin, turnover and return on investment for 2018. (Round "Profit margin" and "Return on investment to 1 decimal place.) Complete this question by entering your answers in the tabs below. Req A to C ReqD Compute Munoz's profit margin, turnover and return on investment for 2018. (Round "Profit margin" and "Return on investment" to 1 decimal place.) a. Profit margin b. Turnover c. Return on investment times Reg A to C Reg D > Complete this question by entering your answers in the tabs below. Req A to C Feq D Recompute Munoz's ROI under each of the following independent assumptions: (Do not round intermediate calculations. Round your answers to 2 decimal places. (l.e., .2345 should be entered as 23.45).) (1) Sales increase from $1,200,000 to $1,440,000, thereby resulting in an increase in operating income from $72,000 to $80,640. (2) Sales remain constant, but Munoz reduces expenses, resulting in an increase in operating income from $72,000 to $74,400. (3) Munoz is able to reduce its invested capital from $600,000 to $480,000 without affecting operating income. Show less Return on Investment