Given the below supply and demand equations for computers,
P = 250 - 2Q (Demand)
P = 50 + 3Q (Supply)
The company decides to increase its marketing expenses to boost its sales and the new supply equation is P = 90 + 3Q and the new demand curve is P = 280 – 2Q. Discover the new equilibrium price and quantity.
By comparing the total revenue, evaluate whether the company must increase its marketing expenses to boost sales.