If two companies each use different irventory accounting methods, the companies can be made comparable from information reported in the financial statements by:

converting the AFO Reserve to a LiFO imentory.

converting inventory at cost to inventory at lower of cost or market $($net realizable value$)$

converting cost of goods sold to lower of cost or market $($net realizable value$)$

converting imventory on a UFO basis to a FFO basis using the UFO Reserve.