[The following information applies to the questions displayed below.] During the year, Trombley Incorporated has the following inventory transactions Date Jan. 1 Mar. 4 Jun. 9 Nov. 11 Number of Units 18 23 28 28 Unit Cost $ 20 19 18 16 Transaction Beginning inventory Purchase Purchase Purchase Total Cost $360 437 504 448 97 $1,749 For the entire year, the company sells 71 units of inventory for $28 each