Oslo Company's industrial photo-finishing division, Rho, incurred the following costs and expenses in the last period: Variable Fixed Direct materials $219,000 Direct labour 140,000 Factory overhead 65,000 $46,000 General, selling, and administrative 29,000 50,000 Totals $453,000 $ 96,000 During the period, Rho produced 300,000 units of industrial photo prints, which were sold for $2.03 each. Oslo's investment in Rho was $480,000 and $760,000 at the beginning and ending of the year, respectively. Oslo's weighted average cost of capital is 15%. Your answer is correct. Determine Rho's return on investment for the year. (Round answer to 2 decimal places, e.g. 25.25%.) ROI 9.68 % SHOW SOLUTION LINK TO TEXT X Your answer is incorrect. Try again. Compute Rho's residual income (loss) for the year. (Enter loss using either a negative sign preceding the number e.g.-45 or parentheses e.g. (45).) Residual income (loss) 33,000 X Your answer is incorrect. Try again. How many industrial photo print units did Rho have to sell during the year to break even? (Round entry to whole amounts, e.g. 5,275.) Break even quantity units x Your answer is incorrect. Try again. What was Rho's contribution margin for the year? Contribution margin 25.62%