A shoe manufacturing company offers 3 types of discount schemes to its customers: (i) 20% and 12% (ii) 25% and 5% (iii) 30% and 3% at different stages of sales. Find the best scheme for the customer

A

Only Scheme (iii)

B

Only Scheme (i)

C

Only Scheme (ii)

D

Both Schemes (i) and (ii)