purchasing power, economics homework help

Description

Minneapolis, MN has a CPI of 173. Anchorage, AK has a CPI of 226. How does the
purchasing power of someone in Minneapolis earning a salary of $42,500 compare to the purchasing
power of someone in Anchorage earning a salary of $67,000?

a.	The person living in Minneapolis has $57.61/CPI more than the person in Anchorage.
b.	The person living in Minneapolis has $130.45/CPI more than the person in Anchorage.
c.	The person living in Anchorage has $50.80/CPI more than the person in Minneapolis.
d.	The person living in Anchorage has $90.82/CPI more than the person in Minneapolis.