I Scream for Ice Cream Sells Specialty Ice Cream in Three

I Scream For Ice Cream sells specialty ice cream in three flavors: Rocky Road,Peanut Butter,and Fruity Tooty.It sold 15,000 gallons last year.For every five gallons of ice cream sold,one gallon is Fruity Tooty and the remainder is split evenly between Peanut Butter and Rocky Road.Fixed costs for I Scream For Ice Cream are $27,000 and additional information follows:

The breakeven sales volume in gallons for I Scream For Ice Cream is

A) 5,400.
B) 7,500.
C) 3,857.
D) 13,500.