Roger sells fire trucks and dolls to a toy store. He sells each fire truck for $15 and each doll for $10. Roger wants to sell at least 25 toys and needs to earn at least $300 to cover his costs.If each fire truck takes 50 minutes to make and each doll takes 45 minutes to make, how many fire trucks and dolls should Roger make to minimize the time spent making the toys.A. Roger should make 15 fire trucks and 10 dolls in order to minimize the time spent making toys.B. Roger should make 0 fire trucks and 25 dolls in order to minimize the time spent making toys.C. Roger should make 10 fire trucks and 15 dolls in order to minimize the time spent making toys.D. Roger should make 30 fire trucks and 0 dolls in order to minimize the time spent making toys.