A consumer has a utility function over consumption and leisure given by U(c, 1) = In(c) + 2 In(1). The consumer is currently working 6 hours per day is paid $15 per hour and the consumption good costs $5 per unit. Given this information, the consumer could increase their utility by O a. We cannot determine whether they should be working more or less with the information given O b. Working less O c. They are already at the optimal working hours O d. Working more