EE dud's Place recorded the following data: Units Unit Date Received Sold On Hand Cost 1/1 Inventory 500 $2.40 1/8 Purchased 1,000 1,500 3.00 1/12 Sold 1,200 300 The weighted average unit cost of the inventory at January 31 is: Select one: a. $2.80. a b. $2.70. 27 c. $2.40. d. $3.402