Miami Discount Company inventory records show:

Beginning inventory purchas+: February 14 March 18 July 21 September 27 November 27 Sales: Amil 15 August 20 October 3 Units 3,000 2,400 1,800 1,800 2,800 2,000 1,500 Unit $38.00 39.00 40.00 40.30 40.60 41.00 Total $114,000 35,100 96,000 72,540 73,080 24,600