A Firm with the Production Function F (X1, X2, X3

Multiple Choice

A firm with the production function f (x1, x2, x3, x4) = min{x1, x2, x3, x4} faces input prices w1 = $1, w2 = $2,w3 = $2, w4= $5 for factors 1, 2, 3, and 4.The firm must use at least 17 units of factor 2.The lowest cost at which it can produce 100 units of output is

A) $1,000.
B) $400.
C) $317.
D) $615.
E) $300.