Ibra manufacturing LLC has furnished the following information for the month of March 2019: Materials used is RO 45,000, Direct labor is RO 28,000, Labor hours worked is 7,000, Hours of machine operation is 5,000 and Overhead cost is RO 21,000. The department during the period has executed an order (job). The relevant information is as follows: Materials used is RO 2,000, Direct labor is RO 1,200, Labor hours worked is 500 and Hours of machines operation is 225. Calculate the overhead chargeable to the job based on Machine hour rate.

a. RO 945

b. RO 933

c. RO 900

d. RO 1,500

From the following data calculate the level of performance of Rashid, Ahmed, and Khamis using Merrick Differential Piece Rate System. Normal rate per unit is RO 20 Working hours per day are 8 hours Standard time per unit is 30 seconds Output is as follows Rashid 600 units, Ahmed 875 units, and Khamis 795 units.

a. Rashid Earnings is 62.5%, Ahmed Earning is 82.81% and Khamis Earnings is 91.14%

b. Rashid Earnings is 62.5%, Ahmed Earning is 91.14% and Khamis Earnings is 82.81%

c. Rashid Earnings is 91.14%, Ahmed Earning is 62.5%, and Khamis Earnings is 82.81%

d. Rashid Earnings is 91.14%, Ahmed Earning is 82.81%, and Khamis Earnings is 62.5%