Paulshron Enterprises (PE) makes three different types of high-end air conditioners: the ceiling type (A1X), the cassette type (A2X), and the wall-mounted type (A3X). The data provided below relates to the three types of the air conditioners for the current year: (A1X) (A2X) (A3X) Annual production and sales (units) 450 375 500 Selling price per unit, R 36 000 45 000 50 000 Direct labour per unit, minutes 180 120 90 Direct material cost per unit, R 8 000 6 550 8 400 Actual overhead cost per unit, R 7 100 5 300 4 400 Total direct labour cost is R3 000 per hour. 3.3. Paulshron Enterprises plans to increase the selling price of each of the three types of air conditioners by 5%, and the total direct labour cost is projected to increase to R3 200 per hour next year. Calculate the expected multifactor productivity of Paulshron Enterprises next year (Show all calculations and round off the answer to two decimal places)