You are given the following data for a company: Sales 2,500 units Sales price $75 per unit Variable cost $50 per unit Fixed cost $25.000 If the dollar contribution margin per unit is decreased by 10%, total fixed cost is decreased by 20%, and all other factors remain the same, net income will: Select one: o a. decrease by $11,250 b. increase by $9,000 C. decrease by $1,250 d. increase by $7,500 e. increase by $10,000