Use the following to answer questions 9-11: pilar company has the following inventory transactions. there was no beginning inventory on january 1. on jan 7, purchased 6 units for $10 each on jan 13, purchased 10 units for $12 each on jan 20, sold 8 units 9. if the company uses the weighted average method, what is the cost of goods sold? a) $96.00 b) $84.00 c) $90.00 d) $85.62 10. if the company uses the fifo inventory method, what is the cost of goods sold? a) $96.00 b) $78.00 c) $60.00 d) $84.00 11. if the company uses the lifo inventory method, what is the cost of goods sold? a) $96.00 b) $78.00 c) $60.00 d) $84.00