2&3 please answer with work. thank youu

2. The Jazz Division of Heights Recording Corporation had the following results last year. les Operating income Total assets Current liabilities $10,000,000 $2,200,000 $4,000,00 $2,500,000 al is 9%. Its effective tax Management's target rate of return is 12% and the weighted average cost of capit rate is 40%. Required a. Calculate the return on investment (ROI). b. Calculate the residual income 3.Weissfeld Corporation manufactures a single product. The direct materials standard calls for 5 pounds of direct material per unit. The standard for direct material cost per pound is $10. A computer error has wiped out the records for the direct labor standards but the following information is found for the month of October