please can you answer 15 minutes

Interista Company's planned production for the year just ended was 25,000 units. Actual production totaled 25,000 units, and the company sold 21,000 units of its manufacturing output at $90 per unit. The following costs were incurred: $ 160,000 215,000 145,000 Manufacturing costs: Direct material used Direct labor Variable manufacturing overhead Fixed manufacturing overhead Selling and administrative: Variable Selling and administrative Fixed Selling and administrative Finished-goods inventory, January 1 125,000 60,000 180,000 0 Required: A. Calculate the cost per unit produced using variable costing. (20 Marks) B Calculate the cost nor unit mun