Chip is a director of Diners Restaurants, Inc. Chip would breach his duty of loyalty if he
a. becomes a director of Fluffy Mattresses, Inc., a non competing firm
b. buys a controlling intrest in Gulpin' Foods Corporation, a competing firm
c. votes for Diners to buy a controlling interest in Eateries, Inc., which causes Diners to suffer a loss
d. votes against Diners' purchase of a controlling interest in Eateries, Inc., which causes Diners to suffer a loss