A cement manufacturer has supplied the following data: Tons of cement produced and sold Sales revenue 240,000 $ 1,000,000 Variable manufacturing expense $ 439,000 Fixed manufacturing expense $ 236,000 Variable selling and administrative expense 81,000 Fixed selling and administrative expense $ 226,000 $ 26,000 Net operating income What is the company's unit contribution margin per ton? (Do not round your intermediate calculations. Round the final answer to 2 decimal places.) $2.20 per unit $4.20 per unit $2.03 per unit $0.22 per unit 1. Air