Need some help with these homework questions, thanks!

Question 7 10 p If the consumer price index in Year X was 300 and the CPI in YearY was 315, the rate of ination was 0 5 percent. 0 315 percent. 0 25 percent. 0 15 percent. Question 8 10 p Last year the Harrison family earned $50,000. This year their income is $52,000. In an economy with an ination rate of 5 percent, which of the following is correct? 0 The Harrison's nominal income and real income have both risen. O The Harrison's nominal income and real income have both fallen. O The Harrison's nominal income has risen, and their real income has fallen. O The Harrison's nominal income has fallen, and their real income has risen