Mary Magnolia Has Variable Costs Equal to Y²/F, Where Y

Multiple Choice

Mary Magnolia has variable costs equal to y²/F, where y is the number of bouquets she sells per month and where F is the number of square feet of space in her shop.If Mary has signed a lease for a shop with 400 square feet, if she is not able to get out of the lease or to expand her store in the short run, and if the price of a bouquet is $5 per unit, how many bouquets per month should she sell in the short run?

A) 200
B) 1,500
C) 1,000
D) 400
E) 1,100