Company XYZ is a merchandising business. The company is specialized in selling a specific brand of smartphones. The purchase cost per unit was OMR300. At the beginning of the month of May the company has inventory of 1,250 smartphones. During the month of May, the company purchased additional 1,000 smartphones. By the end of May, the company had 450 smartphones remaining in the store. The selling and general expenses for the company include wages and commissions, which include fixed monthly payment of OMR1,500 plus a OMR8 per unit sold; and depreciation of OMR2,000 per month. Assuming a selling price per unit of OMR600, calculate the total contribution margin. Select one a. None of the given answers b. OMR522,100 O COMR525,600 Od. OMR365,000 e. OMR540,000