Graham Corporation selis two products. Product A sells for $68 per unit and has unit variable costs of $39. Product B sells for $110 per unit, and has unit varlable costs of $55. Currently, Graham sells three units of Prodict B for every two units of Product A sold. Graham has fixed costs of $686,840. What is Graham's break-even point in units? 7,700 units of A and 7,700 units of B 6,160 units of A and 9,240 units of B 15,400 units of A and 15,400 units of B 9,240 units of A and 6,160 units of B