Agrichem manufactures Insect$-$Be$-$Gone. Each bag of the product contains $56$ pounds of direct materials. Twenty percent of the materials evaporate during manufacturing. The budget allows the direct materials to be purchased at $$2\mathrm{.}50$ per pound $($gross cost$)$ under terms of $4/10,$ n$/30.$ The companys stated policy is to take all available cash discounts. Required:Determine the standard direct materials cost for one bag of Insect$-$Be$-$Gone. $($Do not round intermediate calculations.$)$