A company that manufactures monitors has fixed costs of $75,500 per annum. The variable costs are 26% of sales and the profit is $63,000. When the selling price was reduced by 20%, the sales volume increased by 20%.

a.What was the original sales revenue? = 187,162.16

b.What were the original variable costs? = 48,662.16

c.What is the new sales revenue? = 179,675.67

d.What are the new variable costs? = 58,394.59

e.What is the amount of change in net income? = X

I have done the answer but it is saying am mistaking some where and i couldn't find it!!! and I want to know where is my mistake!!! and the last answer!!!