Joyle Construction Limited is currently working on two contracts with the following details as at December 31.

Details Contract A (₦’000) Contract B (₦’000)
Material 16,140 23,100
Wages 61,900 23,136
Expenses on site 8,270 10,344
Plant purchased 191,000 78,000
Accrued wages 5,060 2,690
Materials as at 31/12 2,670 7,680
Value of work certified 140,000 102,000
Cash received on certified work 119,000 76,500
Completed work not yet certified 4,450 2,640
Head office charges apportioned 15,660 12,230
Plant value as at 31/12 152,800 62,400

The contract value is ₦500,000,000 for Contract A and ₦350,000,000 for Contract B.

Required:
Prepare contract “A” and contract “B” accounts for Joyle Construction Limited as at December 31 in a columnar form. Show the profit taken at year-end and the balances carried forward. (Show workings where necessary).