question_answer Discussion Board for a Question on Quiz: Accounts - Principles of account (WAEC 2010)

Use the following information to answer given question
Opening stock of raw materialsPurchases of raw materialsCarriage on raw materialsClosing stock of raw materialsFactory supervisor's salaryWages of factory handsRoyalties paidInsurance of factoriesWork-in-progress(opening)Raw material returned₦24,750129,64010,00045,00030,00050,00018,00062,00023,00012,200₦Opening stock of raw materials24,750Purchases of raw materials129,640Carriage on raw materials10,000Closing stock of raw materials45,000Factory supervisor's salary30,000Wages of factory hands50,000Royalties paid18,000Insurance of factories62,000Work-in-progress(opening)23,000Raw material returned12,200
The prime cost is