A cookie company makes three kinds of cookies (oatmeal raisin, chocolate chip, and shortbread) packaged in small, medium, and large boxes. The small box contains 1 dozen oatmeal raisinand 1 dozen chocolate chip; the medium box has 2 dozenoatmeal raisin, 1 dozen chocolatechip, and 1 dozenshortbread; the large boxcontains 2 dozen oatmeal raisin, 2 dozen chocolate chip, and 3 dozen shortbread. If you require exactly 15 dozen oatmeal raisin, 10 dozen chocolate chip, and 11 dozen shortbread, ow many of each size box should you buy