I'm having problems understanding two of my homework questions. Help please! Question 10 (1 point)

On December 30, you decide to make a $2800 charitable donation. If you are in the 30 percent tax bracket, how much will you save in taxes for the current year?

(Round your answer to the nearest whole number.Do not includethe comma, period, and "$" sign in your response.)

Question 11 (1 point)

On December 28 each year, you are planning to make a charitable donation of $3860 and are in the 10 percent tax bracket.You are planning to deposit the tax savings in a savings account for the next 17 years at 7 percent, what will be the future value of that savings account?

(Round your answer to the nearest whole number. Do not include the comma, period, and "$" sign in your response.)