Oslo Company's industrial photofinishing division, Rho, incurred the following costs and expenses in the last period: Direct materials $199,000 Direct labour 151,000 Factory overhead 69,000 $ 43,000 General, selling, and administrative 31,000 4?,000 Totals $450,000 5 90,000 During the period, Rho produced 300,000 units of industrial photo prints, which were sold for $1.99 each. Uslo's investment in Rho was $480,000 and $680,000 at the beginning and ending of the year, respectively. Oslo's weighted average cost of capital is 15%. Determine Rho's return on investment for the year. (Round answer to 2 decimalI places, e.g. 25.25%.) :1. 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 0053) $Il How many industrial photo print units did Rho have to sell during the year to break even? (Round entry to whoie amounts, e.g. 5,275.) Break even quantity I units What was Rho's contribution margin for the year