TwinCo produces and sells two products.Product A sells for $8 and has variable expenses of $3.Product B sells for $18 and has variable expenses of $10.It predicts sales of 20,000 units of A and 10,000 units of B.Fixed expenses are $100,000 per month.Assume that TwinCo hits its sales goal for February of $600,000, and exceeds its expected before-tax profit of $70,000.What has happened?