can someone solve it with cell reference please

Given Data: 2 Stony Electronics Corporation manufactures a portable radio designed for mounting on the wall of the bathroom. The following list 3 represents some of the different types of costs incurred in the manufacture of these radios: 4 5 (a) Classify each of the items below as direct materials, direct labour, manufacturing overhead, selling or administrative costs for the purpose of preparing external financial statements. 6 + For each question, please select the Correct answer from the list neovided 1 8 b) Classify each of the items below as a fixed or variable or mixed cost related to units produced and/or sold 9 10 (6) Classify each of the items below as a direct or indirect cost related to units produced and/or sold 11 12 13 14 15 Solution: 16 (a) 17 1 The cost of printing promotional materials for 6 sales trade shows. 18 2 Depreciation on production equipment used in the plant. 19 3 The plant manager's salary. 20 4 The cost of insurance on the plant building. 21 Commissions of company salespersons. 22 Was of trial personnel who clean the plant. 20 Depreciation on office equipment used in the executive offices. 24 The cost of electricity to operate plant equipment The cost of printed circuit boards used in the radios 10 The cost of telephone service for the executive offices (b) (c) 20