please reply fast

You are at a company meeting, where there is a discussion on a product- specifically "what if" analysis and the impact of change in certain variables. Management is considering some changes to the product. Currently, this product has the following information: Unit sales 6,000 units Selling price per unit $35 Variable cost per unit $20 Total fixed cost $25,000 Management wants to know what the impact on operating income will be if contribution margin increases by 10% and fixed costs decrease by 20% and all other variables stay the same