Problem
In a local hardware store, the price of the store brand indoor house paint is $18 per gallon. The daily volume of sales is 30 gallons. The price elasticity of demand for the paint is estimated to be -3. Determine the demand equation for the paint assuming that it is linear.
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.