William Wants to Buy His Wife a Diamond Bracelet for Their

William wants to buy his wife a diamond bracelet for their next anniversary, but he is having trouble saving money for the purchase. Since he decided to buy the bracelet, he has had to pay for two root canals, a new pair of glasses, a new heating and cooling system for his house, and $700 worth or repairs to his car. William is having trouble due to:

A) direct competition
B) the availability of substitutes
C) replacement utility
D) the need to make marginal purchases
E) competition for his dollars