Grover Company has the following data for the production and sale of 1,100 units. $ 955 per unit $154,000 per period $170,500 per period Sales price per unit Fixed costs: Marketing and administrative Manufacturing overhead Variable costs: Marketing and administrative Manufacturing overhead Direct labor Direct materials $ $ $ 60 per unit 90 per unit 110 per unit 160 per unit TA What is the variable manufacturing cost per unit? Multiple Choice $715 O O $360 O $420 O $515