Maralla (Pty) Ltd made the following total production cost predictions for the month ending 31 July 2023 at different possible levels of production: The variable cost per unit is R1,25R0,80R1,40R1,00 (6) Which one of the following statements is not true about total product costs in an absorption costing system? (a) Prime costs + Conversion costs - Direct labour costs = Product cost (b) Direct material costs + Direct labour costs + Production overheads costs = Product cost (c) Prime costs + Production overheads costs = Product cost (d) Direct material costs + Direct labour costs + Period costs = Product cost (7) is a written instruction to a supplier for the delivery of specified goods at an agreed upon price. (a) Material requisition (b) Receiving report (c) Purchase requisition (d) Purchase order . (8) Qetello (Pty) Ltd ("Qello") uses perpetual inventory system. Qello record its purchased of raw materials in the account. (a) material inventory (b) cost of goods sold (c) work-in-progress inventory (d) purchase of raw materials