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Stewart Co.'s beginning inventory, purchases and sales during the year ending December 31, 2015, were as follows: Unit Unit cost Sales price 1,000 $50.00 1,200 $51.50 January 1 March 10 June 25 August 30 October 5 November 26 Purchase December 22Sales There were 1,700 units at the end of 2015. Inventory Purchase Sales Purchase Sales $85.00 800 $53.00 1,500 2,000 $55.00 1,000 $88.00 $90.00