The Below Indifference Map Shows the Various Combinations of Hours

Multiple Choice

The below indifference map shows the various combinations of hours of music and apples that yield different levels of utility. Figure 6.1
-According to indifference curve I₁ in Figure 6.1,for each extra apple the consumer eats,he or she must simultaneously sacrifice ____ of listening to music to keep total utility constant.

A) 1 hour
B) 2 hours
C) 3 hours
D) 4 hours
E) 5 hours