QL = 25PL-3 and Qd = 30Pd-2 where the subscripts "L" and "d" stand for lunch and dinner respectively. Suppose the marginal cost of a lunch equals the marginal cost of a dinner and equals $20. How much should the restaurant charge for lunch, and how much for dinner?© BrainMass Inc. brainmass.com October 10, 2019, 4:22 am ad1c9bdddf
Ql = 25Pl - 3 implies that Pl = Ql/25 + 3/25
Similarly, Qd = 30Pd - 2 implies Pd = Qd/30 + 1/15
Revenue = price X quantity sold,
hence Revenue from ...
A restaurant's two demands