Use the information below to answer questions (12-13) If 25 units of a good (x) can be purchases by 1 JD at Jan 1,2015, assuming the inflation during 2015 reflected prices of all goods and services. Then at Dec 31,2015 the 1 JD purchased only 20 units of good (x) 12. Average inflation for 2015 equals: (1 Point) 0 20% 25% O 30% 28% * 13. The purchasing power of JD equals: (1 Point) O 0.5 O 0.6 0.8 0.25