The initial cost for producing a product is $800. The cost of producing each unit of the product is $7. The total cost is the sum of the initial cost and the cost per unit of the product time the number of units produced. What is the least number of units, x, that should be produced in order for the average total cost per unit to be $11 or less?

a
quantity 800 plus 7 times x end quantity over x is greater than or equal to 11, so x is at most 200 units
b
quantity 800 plus 7 times x end quantity over x is less than or equal to 11, so x is at least 200 units
c
quantity 800 plus 11 times x end quantity over x is greater than or equal to 7, so x is at most 250 units
d
quantity 800 minus 11 times x end quantity over x is less than or equal to 7, so x is at least 250 units