Lau & Lau, Limited of Hong Kong manufactures two products for the same market. Its budget and operating results for the year just completed follow:

	Budget	Actual
Unit of sales
Product A	30,000	35,000
Product B	60,000	65,000
Contribution per unit
Product A	$ 4.00	$ 3.00
Product B	10.00	12.00
Selling price per unit
Product A	$ 10.00	$ 12.00
Product B	25.00	24.00

At the time of budget preparation, the budgeting department and sales department agreed that the industry volume for the year would likely be 1,500,000 units. The actual industry volume turned out to be 2,000,000 units.

Required:

1. What is the average budgeted contribution margin per unit? 2. What is the sales volume contribution margin variance for each product? 3. What is the sales mix contribution margin variance for each product? 4. What is the sales quantity contribution margin variance for each product? 5. What is the market size contribution margin variance? 6. What is the market share contribution margin variance? 7. What is the total flexible budget contribution margin variance? 8. What is the total variable cost price variance if the total contribution margin price variance is $50,000 favorable? 9. What is the total variable cost efficiency variance if the total contribution margin price variance is $50,000 favorable?