Company manufactures contact lenses and uses a standard cost system. Al weginning of the year, the following standards were established per 100 lenses (a single batch). Per Unit $200 90 Direct materials 100 pounds @ $2/pound Direct labor 5 hours @ $18/hour Factory overhead: Fixed overhead $ 4 per direct labor hour Variable overhead $ 6 per direct labor hour Total FOH/DLH $10 Total cost per batch of 100 headlights lenses 20 $340 Management has budgeted for 1,000 batches of lenses this month. Expected volume per month is 5,000 direct labor hours for the current month, and 105,000 contact lenses were produced. There were no beginning inventories. The following costs were incurred during the current month. $ 59,000 99,900 Total factory overhead incurred (fixed + variable) Direct labor 5,400 hours Direct materials used 102,000 pounds Direct materials purchased 110,000 pounds 209,000 Calculate these variances: a. Material b. Labor c. overhead variances (3 way)