Windsor Limited makes and sells a single product. The company employs a flexible budgeting system that covers a relevant range from 20,000 units to 25,000 units and a just in time inventory system. Budget data for May are as follows: Budgeted volume produced and sold Prime costs Manufacturing overhead Selling and administrative expenses Selling price 22,000 units $30 per unit $3 per unit plus $2 per unit plus $60 per unit $132,000 $30,000 Actual data for April are as follows: Volume produced and sold Prime costs Manufacturing overhead Selling and administrative expenses Selling price 25,000 units $31 per unit $6 per unit plus $5 per unit plus $55 per unit $128,000 $25,000 Required: Calculate the company's flexible budget operating income (loss) for May that would appear in a performance report . (5 marks) Show supporting calculations