Wilson Co. produces tennis rackets. A customer has offered Wilson Co. $400 per unit for 200 units. To fill the order, Wilson would incur unit-level costs of $300 per unit and batch-level costs of $1,000. Wilson also incurred $10,000 of product-level costs to design the racket and $100,000 of facility-level costs. Calculate the amount of differential cost.

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.