The Following Figure Shows Two Isocost Lines $I S _ { 1 }$

Multiple Choice

The following figure shows two isocost lines ( $I S _ { 1 }$ and $I S _ { 2 }$ ) and two isoquants for the production of 200 and 350 tons of corn.The axes show the quantities of the two types of fertilizers used in corn production.

-Refer to Figure .Identify the least-cost combinations of fertilizers A and B for producing 200 tons of corn.

A) 30 units of fertilizer A and 7 units of fertilizer B
B) 7 units of fertilizer A and 30 units of fertilizer B
C) 19 units of fertilizer A and19.3 units of fertilizer B
D) 12 units of fertilizer A and 12 units of fertilizer B