A nut store sells cashews for $400 per pound and peanuts for $150 per pound. However, at the end of the month, the peanuts did not sell well. To sell 40 pounds of peanuts, the manager decided to make a change. Which option did the manager choose?

A. Increase the price of cashews
B. Decrease the price of peanuts
C. Increase the price of peanuts
D. Decrease the price of cashews