1.Which of the following statements are true?

a.Once an item has been setup with assigned 'Units of Measure', it cannot be deleted

b.Once an item has been setup with assigned 'Units of Measure', those units of measure cannot be changed

c.Once an item has been setup with assigned 'Units of Measure', it cannot be marked as

'inactive'

d.Once an item assigned with different 'Units of Measure' has been used in a transaction, those units of measure cannot be changed

e.All of the above