Bono Pasta Company produces three types of noodles: Spaghettis, elbows. and shells.

Spaghettis sells for $$25$ with variable costs of $$15,$ Contribution margin $$10$ Drying hours per unit $\mathrm{.}50$ hours

Elbows sell for $$30$ with variable costs of $$18.$ Contribution margin $$12$ drying hours per unit is $\mathrm{.}25$ hours

Shells sell for $$35$ with variable costs of $$20.$ Contribution margin is $$15$ drying time per unit $\mathrm{.}10$ hours

what product is the most profitable and should be emphasized in marketng efforts.