7.1 NederZaak had the following operating data for its first year of operation. Units Beg. Inventory Units End. Inventory Units Sold Units Produced 1,800 71,000 72,800 Sales Price per unit Variable Costs per unit: Direct materials Direct labor Variable manuf. overhead Variable selling and administrative Fixed costs Fixed manuf. overhead Fixed selling and administrative 4.00 0.30 0.90 0.25 0.15 150,000 18,000 a) Prepare an income statement assuming absorption costing. b) What is the product cost per unit using absorption costing? c) What is the value of the ending inventory using absorption costing? d) Prepare an income statement assuming variable costing. e) Explain the difference in net operating income between variable and absorption costing. f) What is the product cost per unit using variable costing? g) What is the value of the ending inventory using variable costing