A corporation decides to sell three sections of its holdings. Eight parcels of eighty acres apiece are sold for $160,000 each. The remaining land is portioned into 160-acre parcels, which are sold for $400,000 each. What are the corporations' gross total earnings from these sales:

A) $2,560,000
B) $3,200,000
C) $3,360,000
D) $4,000,000