South Chetham Foundry produced 70,000 tons of steel in March at a cost of 1,450,000. In April, the foundry produced 45,000 tons at a cost of 1,300,000. Requirement 1. Using only these two data points, determine the cost function for South Chetham. South Chetham Foundry produced 70,000 tons of steel in March at a cost of 1,450,000. In April, the foundry produced 45,000 tons at a cost of 1,300,000. Requirement 1. Using only these two data points, determine the cost function for South Chetham