Swirl Confections is known for its rich dark chocolate fudge. Swirl sells its fudge to local retailers. A "unit" of fudge is a 10-pound batch. The standard quantities of ingredients for a batch include 5 cups of sugar, 21 ounces of chocolate chips, 17 ounces of butter, and 28 ounces of evaporated milk. The standard costs for each of the ingredients are as follows: $0.21 per cup of sugar, $0.10 per ounce of chocolate chips, $0.07 per ounce of butter, and $0.09 per ounce of evaporated milk. Calculate the standard direct material cost per batch of fudge.