5) Molly's utility function for recreation (R) and consumption (C) is U(R,C) = R1/4 3/4. If the price of consumption is 1, Molly's non-wage income is $90 per day, and she can allocate 15 hours per day to labor or recreation, her reservation wage is: a) $1 per hour b) $1/12 per hour c) $18 per hour d) $2 per hour e) None of the above