Josh Rink considers himself a shrewd commodities investor. Not long ago he bought one July wheat contract at $0.71 a bushel and he recently sold it at $0.77 a bushel. How much profit did he make? What was his return on invested capital if he had to put up a $1,770 deposit? Additional Variables; (Commodities and size of contracts) Corn: 5,000 bushels Wheat: 5,000 bushels Coffee: 27,500 lbs. Copper: 25,000 lbs. Cotton: 50,000 lbs. Select one: O a. 0.17% O b. 2.82% O c. 16.9% O d. 418.08% O e. 4.18%