have Submit Test for a2ec13r.06.876 Question 7 of 10 At the time of Kelsey's 20 year high school reunion she was earning $50,000 and the CPI was 120. Now that it is time for her to attend her 30 year high school reunion, Kelsey's income has risen to $97,000 and the CPI is 230. At her 30 year reunion, can Kelsey rightfully brag that her real income has risen since the last time she saw her former classmates ten years ago? O a. No, Kelsey's real income remained constant during that 10 year period. O b. No, Kelsey's real income fell during that 10 year period. O c. It is impossible to determine what happened to Kelsey's real income. O d. Yes, Kelsey's real income rose during that 10 year period