Aplication exercise suppose that a company sold q1 50 q2

Question

Question: Application exercise. Suppose that a company sold q₁ = 50, q₂ = 40, q₃ = 30, and q₄ = 20 units of goods numbered 1, 2, 3, and 4, respectively. The unit prices of these goods were $10, $8, $6, and $4, respectively. Find the company's total and average revenues using abbreviation notations.