O A $5.060 OB. $5.144 OC. $5.155 OD. $5.075 Units Information pertaining to Gidget Cat Co.'s, which uses a perpetual Inventory system follows: Dute Transaction type January 1 Opening inventory April 12 Purchase April 30 Sale July 7 Purchase December 15 Sale Price per unit 200 300 100 400 $5.00 $5.10 $8.00 $5 25 $8.20 500 Assuming Gidget uses the weighted average cost flow assumption, what is the average value per unit in inventory on May 1, immediately after the April 30 sale, rounded to three decimal places