Which of these items would be accounted for retrospectively?

Select one:

a.Prior Period Adjustments, but not changing from LIFO to Weighted Average

b.Changing from LIFO to Weighted Average, but not Prior Period Adjustments

c.Both Prior Period Adjustmentsandchanging from LIFO to Weighted Average

d.Neither Prior Period Adjustmentsnorchanging from LIFO to Weighted Average