Last month Annie's Homemade sold 5,000 servings of ice cream for $5.00 each. Its variable cost is $1.25 per serving and its total fixed costs were $11,000.

Required: Calculate the change in next months profit if: Unit sales increase from 5,000 to 5,200 and all else holds constant.

The selling price per unit increases from $5.00 to $5.50, unit sales decrease by 6%, and all else holds constant.

The variable cost per serving decreases from $1.25 to $1.15 and all else holds constant.

The fixed costs increase by $2,000, unit sales increase by 8%, and all else holds constant.