Waterway Company had a beginning inventory on January 1 of 180 units of Product 41815 at a cost of $20 per unit. During the year, purchases were as follows. Waterway Company uses a periodic inventory system. Sales totaled 1,180 units. Calculate average cost per unit. (Round answer to 3 decimal ploces, eg. 1.250.) Average cost per unit eTextbook and Media Attempts: 0 of 3 used