A firm sells its output in a perfectly competitive market at a fixed price of R800 per unit. It buys the two inputs K and L at prices of R40 per unit and R5 per unit respectively, and faces the production function: q= 3.1K⁰•

A firm sells its output in a perfectly competitive market at a fixed price of R800 per unit. It buys the two inputs K and L at prices of R40 per unit and R5 per unit respectively, and faces the production function: q= 3.1K⁰•