Claudia spent last summer working as a delivery driver in Cambridge to pay for her trip to go to Japan. Paying the cost of this trip is her sole reason for earning money. Halfway through the summer, the minimum wage in Massachusetts increased by $2. What happened next?

a.The answer cannot be determined from the provided information

b.Claudia's labor supply decreased.

c.Claudia's labor supply remained the same.

d.Claudia's labor supply increased.