3. The fol lowing data was taken from the general ledger and other records of Martinez anufacturing Co. at July 31, 2015 the end of the first month of operations in the current fiscal year: Sales Materials inventory (July 1) Work in process inventory (July 1) Finished goods inventory (July 1) Materials purchased Direct labor cost Factory overhead (including $4,000 of indirect materials used and $3,500 of indirect labor cost) Selling and administrative expense Inventories at July 31 Materials Work in process Finished goods $65,000 15,000 22,000 28,000 21,s00 12,500 13,500 8,000 16,000 19,500 32,000 a. Prepare a statement of cost of goods manufactur b. Determine the cost of goods sold for the mont