Karya company is a family-owned firm located in Indonesia. The company produces a single product that is a handcrafted musical instrument called gamelan which is similar to a xylophone. The following data for periods 1 & 2 are given below: o Direct materials per unit £100 o Direct labour per unit £150 o Variable selling and distribution costs per unit £50 Selling price per unit £550 o Budgeted fixed manufacturing overhead per period £60,000 Normal activity or budgeted activity is 5,000 units and actual production and sales for periods 1 & 2 are as follows: Period 1 Sales (units) 5,000 Production (units) 5,000 Period 2 Sales (units) 4,000 Production (units) 5,000 There is no opening inventory of finished goods at the start of Period 1. (a) Calculate the product cost per unit using absorption costing and marginal (variable) costing. (b) Calculate the operating profit for period 1 and period 2 using absorption costing and marginal (variable) costing.