In the figure above, the cost of producing 10,000 pizzas a day is

You are considering buying a store. The store owner shows you sales figures of the store on a "typical" day. The owner has most likely shown you figures for

a. The less productive day b. The more productive day c. Any typical day d. All the days that the store was owned by him

Suppose the economy's production function is Y = AK0.3N0.7. If K = 2000, N = 100, and A = 1, then Y = 246. If K and N both rise by 20%, and A is unchanged, by how much does Y increase?

A. 5% B. 20% C. 10% D. 15%