Math Products, Inc. produces and sells 4,000 calculators per month with the following costs: Variable costs: $1.25 per calculator Fixed costs: $3,300 per month Math Products recently switched vendors and expects variable costs to rise by $0.80 per unit. However, with a new lease on the factory, Math Products expects fixed costs to drop by $100 per month. After making the changes, what is Math Product's cost equation used to estimate total monthly costs? O Y = $3,200 - $2.05X O Y = $3,200 + $2.05X O Y = $3,100+ $2.05X O Y = $3,100 - $2.05X