Astair, Inc. reported sales of $8,000,000 for the month and incurred variable expenses totaling $5,600,000 and fixed expenses totaling $1,440,000. The full product cost is $88 per unit. The company has no beginning or ending inventories. A total of 80,000 units were produced and sold last month. If sales increase by 200 units, how much should net income increase? $1,600 $6,000 $10,000 O $2,400