Help with this word problem!

Hi guys can you please help me with this question.

The value of a new car of a particular make, *A*, decreases by 22.5% during the first year. In the second year, its value decreases by 12.5% of its value at the beginning of the year. The value of a new car of another make, *B*, decreases by 25% during the first year. In the second year, its value decreases by 15% of its value at the beginning of the year. A new car of make *A* costs $48,000 and a new car of make *B* costs $42,000.

**(a)** What is the difference between the values of the two cars at the end of the firts year? Express this differnce as a percentage of the value of the car of make A at the end of the first year.

**(b)** Calculate the difference between the values of the two cars at the end of the second year.

Thankyou!