i need help please

Judy is opening a restaurant and needs to decide how many tables she wants. Each table provides $3?5 In benets and the costs are listed In the table below. What Is the optimal number of tables for Judy's restaurant? Total #of tables Question 18 14 no Consider the market for hats with the Demand and Supply equations below: Q0 = 4504p Q5 = 45+5P 1. What is the equilibrium price and quantity for hats in this market? 2. What Is the elasticity of demnd if the price imaes from $40 to $45? 3. Is demand elastic. inelastic or unit elastlc when the price Increases from $40 to $45? 4. Give two examples that mid shti't the supply cave to the right In this market