help with the following :

1. Wesley's income statement is as follows: Sales (10,000 units) $150,000 Less variable costs 48,000 Contribution margin $102,000 Less fixed costs 24,000 Net income $ 78,000 If sales increase by 1,000 units, profits will: a. Increase by $12,000 b. Increase by $10,200 c. Increase by $4,800 d. Increase by $8,000 2. Determine the unit break-even point, assuming fixed costs are $60,000 per period, variable costs are $16.00 per unit, and the sales price is $25.00 per unit. a. 5,000 b. 6,667 C. 15,000 d. 12,000