Each Day Larry Needs at Least 10 Units of Vitamin $A$

Each day Larry needs at least 10 units of vitamin A, 12 units of vitamin B, and 20 units of vitamin C. Pill \#1 contains 4 units of $A$ and 3 of B. Pill \#2 contains 1 unit of A, 2 of B, and 4 of C. Pill \#3 contains 10 units of A, 1 of B, and 5 of $C$ .
-Pill #1 costs 8 cents, pill #2 costs 11 cents, and pill #3 costs 6 cents. Larry wants to minimize cost. What are the constants in the problem?

A) $8,11,6$
B) $4,1,10$
C) $10,12,20$
D) $4,3,0$