Oslo Company's industrial photo-finishing division, Rho, incurred the following costs and ex Variable Fixed Direct materials $216,000 Direct labour 144,000 Factory overhead 75,000 $38,000 General, selling, and administrative 27,000 46,000 Totals $462,000 $84,000 During the period, Rho produced 300,000 units of industrial photo prints, which were sold fi weighted average cost of capital is 15%. Determine Rho's return on investment for the year. (Round answer to 2 decimal places, ROI % Compute Rho's residual income (loss) for the year. (Enter loss using either a negative s Residual income (loss) How many industrial photo print units did Rho have to sell during the year to break even? ( Break even quantity units What was Rho's contribution margin for the year? Contribution margin nses in the last period: $2.03 each. Oslo's investment in Rho was $480,000 and $720,000 at the beginning and ending of the year, respectively -9. 25.25%.) n preceding the number e.g.-45 or parentheses e.g. (45).) ound entry to whole amounts, c.9. 5,275.)