Apples-R-Us is a small Washington orchard in a perfectly competitive apple industry. Apples-R-Us’ short-run supply curve is STC = (1/3)q^3 + 10q^2 + 100q +48
1. What is the short-run marginal cost curve?
2. What is Apples-R-Us short-run supply curve for q in terms of p?
3. How many apples will Apples-R-Us produce if the market price is 121, 169, 259?
4. How much profit will Apples-R-Us earn when price equals 121, 169, 259?