Smith Groceries is examining two options: Install four self-service registers that will increase the expenses by $1,000 and the revenue by $3,000. Alternatively, Smith Groceries can install two additional full-service registers that will generate additional revenue of $4,000. The additional costs for this option work out to $1,500. What is the value and the opportunity cost of installing two full-service registers? Value Opportunity cost A $4,000 $1,500 B $2,500 $2,000 a. A b. B c. c d. D e. E C $2,000 $2,500 D $4,000 $3,000 E $4,000 $1,000