A Local Vendor at the County Fair Sells Snow Cones

A local vendor at the county fair sells snow cones for $3 each.When 250 snow cones are sold,each snow cone is estimated to have $.10 in variable costs and $.15 in fixed costs.A local school group plans on attending the fair next week and wishes to purchase 50 snow cones for $.25 each.The vendor can sell as many as 400 snow cones per day.What is the minimum price the vendor should charge for the snow cones?

A) $3.00
B) $ .25
C) $ .10
D) $2.75