Vernon Corporation's balance sheet indicates that the company has $670,000 invested in operating a3set, mu earned operating income of $89,780 on $1,340,000 of sales. Required a. Compute Vernon's profit margin for 2018. c. Compute Vernon's return on investment for 2018 nts elookb. Compute Venon's turnover for 2018 d. Recompute Vernon's ROl under each of the following independent assumptions (1) Sales increase from $1,340,000 to S1,608000, thereby resulting in an increase in operating income from $89,780 to $104,520 (2) Sales remain constant, but Vernon reduces expenses, resulting in an increase in operating income from $89,780 to $92.460 (3) Vernon is able to reduce its invested capital from $670,000 to $536,000 without affecting operating income Print References Complete this question by entering your answers in the tabs below Req A to C Reg D Compute Venon's profit margin, turmover and return on investment for 2018. (Round "Profit margin and 'Return ofn investment to 1 decimal place.) a Prola margin b Tumover C Retunm on investment times Req D )