In December, Sara's Sodas produced 3.8 million liters of the beverage. Manufacturing overhead was $1,350,000 and the cost per liter was $0.45. Labor costs were 20 percent of materials cost. Required: a. Calculate the materials cost for December. (Enter your answer in dollars not in millions.) Answer is complete but not entirely correct. Materials cost in December 1,710,000 3 b. Calculate the labor cost for December. (Enter your answer in dollars not in millions.) Answer is complete and correct. Labor cost in December $ 60,000