Lybra Corporation has provided the following contribution format income statement. Answer each question independently based on the original data:

Sales (5,000 units)

$ 150,000

Variable expenses

90,000

Contribution margin

60,000

Fixed expenses

40,000

Net operating income

$ 20,000

e. If the variable cost per unit increases by $3, spending on advertising increases by $5,000, and unit sales increase by 400 units, what would be the estimated net operating income?

Unit contribution margin

Unit sales

Total Contribution margin

Fixed expenses

Net operating income