following figures have been supplied by the accountants of Superture Sdn Bhd 2 RM Opening stock of raw materials Purchases of raw materials Closing stock of raw materials Factory wages Insurance of factory building Depreciation of manufacturing equipment2,500 Electricity of factory Rent of factory 2,500 61,000 3,500 38,000 800 900 1,000 Required Calculate the following a. Cost of raw materials used during the year b. Prime cost Factory overheads Cost of production d