GG Inc Uses LIFO

GG Inc. uses LIFO. GG disclosed that if FIFO had been used, inventory at the end of 2018 would have been $15 million higher than the difference between LIFO and FIFO at the end of 2017. Assuming GG has a 40% income tax rate:

A) Its reported cost of goods sold for 2018 would have been $9 million higher if it had used FIFO rather than LIFO for its financial statements.
B) Its reported cost of goods sold for 2018 would have been $15 million higher if it had used FIFO rather than LIFO for its financial statements.
C) Its reported net income for 2018 would have been $9 million higher if it had used FIFO rather than LIFO for its financial statements.
D) Its reported net income for 2018 would have been $15 million higher if it had used FIFO rather than LIFO for its financial statements.