If they spend all night writing computer programs,Laurence can write 10 programs,and Carrie Anne can write 5.If they spend all night making sunglasses,Laurence can make 6 pairs,and Carrie Anne can make 4.We know that:
A)Laurence's opportunity cost of writing programs is less than Carrie Anne's.
B)Laurence's opportunity costs of writing programs and of making sunglasses are less than Carrie Anne's.
C)Carrie Anne's opportunity costs of writing programs and of making sunglasses are less than Laurence's.
D)Carrie Anne's opportunity cost of writing programs is less than Laurence's.

Question

Quizplus · Accepted Answer

Laurence's opportunity cost of writing programs is 6/10 = 0.6 pairs of sunglasses per program, while Carrie Anne's is 4/5 = 0.8 pairs per program. Therefore, Laurence's opportunity cost of writing programs is less than Carrie Anne's.

If They Spend All Night Writing Computer Programs,Laurence Can Write