Which of the following statements about the four approaches of reducing activity costs is/are correct?

i. Activity reduction only applies to value-added activities.

ii. Activity elimination only applies to non-value-added activities.

iii. Activity sharing can be performed when a company only produces a single product.

a.

i, ii and iii

b.

ii only

c.

ii and iii only

d.

i only

e.

i and iii only