Roki Inc, uses the periodic inventory system and has the following data for the month of June: June 1 $ 750.00 5 1,736.50 14 On hand, 50 units @ $15.00 each Purchased 115 units @ $15.10 each Purchased 75 units @ $15.20 each Total cost of goods available for sale On hand, 90 units 1140.00 53,626.50 30 If Roki uses the weighted average cost method, the amount assigned to the June 30 inventory would be Oa. $1,359.90 Ob. $1,549.00 Oc. $1,591.50 Od. $1.486.50