Grady Enterprises manufactures three computer games. They are called Rising Star, Ghost Master, and Road Warrior. The product line data are as follows:

Rising Star:

Current unit sales demand: 20,000

Machine Hours Per Unit: 2.0

Selling Price per unit: $24.00

Unit Variable manufacturing costs: $12.50

Unit Variable selling costs: $6.50

Ghost Master

Current unit sales demand: 30,000

Machine Hours Per Unit: 1.0

Selling Price per unit: $18.00

Unit Variable manufacturing costs: $10.00

Unit Variable selling costs: $5.00

Road Warrior:

Current unit sales demand: 18,000

Machine Hours Per Unit: 2.5

Selling Price per unit: $32.00

Unit Variable manufacturing costs: $18.75

Unit Variable selling costs: $6.25

The current production capacity is 100,000 machine hours.

1. Which computer game should be manufactured first?

2. How many of each type of computer game should be manufactured and sold to maximize the company's contribution margin based on the current production activity of 100,000 machine hours? What is the total contribution margin for that combination?