Match the following columns:

Column I (products)	Column II (Ash %)
a. Khoa	1. 2.5
b. Curd	2. 3.1
c. Butter	3. 0.8
d. Chana	4. 2.6

A. a-2, b-1, c-4, d-3

B. a-3, b-2, c-1, d-4

C. a-4, b-1, c-2, d-3

D. a-2, b-3, c-1, d-4

Answer: Option D