You receive a pay raise of 8%, followed by a pay cut of 8% is it true that after the two changes in pay, your salary is unchanged? Explain your answer by using an example ?

please help with the two.

The following lists the six New York Stock Exchange volume leaders on June 24.   An investor buys 100 shares of GE at the Last Trade price, pays a $100 commission on the purchase, and sells the 100 shares a year later for $37.78 per share with a 2% commission on the sale. Find the total cost. = 3578Find the total dividend. = 106Find the commission when selling the shares. = 75.56(a) Find the capital gain when selling the shares.$ (b) Find the total return for the year.$ (c) Find the percent of return. (Round your answer to two decimal places.) %

If the cost of college tuition in 2010 was $6015 and in 2014 was $9139, then the average rate of change in tuition during this time period was $781/year. Do you agree or disagree?