STEP ONE: Determine the year over year change in the CPI-U beginning in 2003 through 2016.
STEP TWO: Determine the year over year change in the IPI beginning in 2003 through 2016.
STEP THREE: Add for each year:
STEP FOUR: Divide the STEP THREE result by two (2).
STEP ONE: Determine the year over year change in the CPI-U beginning in 1989 through 2016.
STEP TWO: Determine the year over year change in the IPI beginning in 1989 through 2016.
STEP THREE: Add for each year:
STEP FOUR: Divide the STEP THREE result by two (2).
IC 6-6-1.6-2