ABC plans to sell 14,000 units of a particular product during July, and expects sales to increase at the rate of 10% per month during the remainder of the year. The June 30th and September 30th ending inventories are anticipated to be 1,200 units and 1,050 units, respectively. On the basis of this information, how many units should ABC purchase for the quarter ended September 30?

41,690

40,960

41,960

46,190

49,610

(Please show each step in the process of getting the answer)