If I could please HAVE help answering this question.

The Fashion Shoe Company operates a chain of womens shoe shops that carry many styles of shoes that are all sold at the same price. Sales personnel in the shops are paid a sales commission on each pair of shoes sold plus a small base salary. The following data pertains to Shop 48 and is typical of the companys many outlets: Per Pair of Shoes Selling price $ 40.00 Variable expenses: Invoice cost $ 16.00 Sales commission 4.00 Total variable expenses $ 20.00 Annual Fixed expenses: Advertising $ 45,000 Rent 31,000 Salaries 155,000 Total fixed expenses $ 231,000 1A) What is Shop 48's annual break-even point in unit sales and dollar sales? 1B)If 11,050 pairs of shoes are sold in a year, what would be Shop 48s net operating income (loss)? 1) the company is considering paying the Shop 48 store manager 55 cents commission on each pair of shoes sold in excess of the break-even point. If this change is made, what will be Shop 48's net operating income (loss) if 13,550 pairs of shoes are sold? (Do not round intermediate calculations.)