1. Standard labor hours rate for production of a product are given as follows:

Details	Hours	Rate/hour	Total
Skilled workers	5	1.50	7.50
Unskilled	8	0.50	4.00
Semi-skilled	4	0.75	3.00

Actual data Rate per hour Total

$ $

Output units 1,000

Skilled worker 4,500 hrs 2.00 9000

Unskilled 10,000 hrs 0.45 4500

Semi-skilled 4,200 hrs 0.75 3150

Required: Calculate

1. Labor cost variance
2. Labor rate variance
3. Labor efficiency variance
4. Labor mixture variance
5. Labor yield variance