Information on the inventory of Bison Inc. is as follows: August 2 August 18 August 29 August 31 Purchase Purchase Sale Purchase 12 units at $12.50 per unit. 14 units at $18.00 per unit. 24 units. 17 units at $15.50 per unit. Assuming Bison uses weighted average perpetual inventory system, calcuate the per-unit value of ending inventory on August 317 (Round your per unit answers to 2 decimal places.) Multiple Choice $16.64 $15.90 512.50 $15.50 a $15.46