If the Production Function Is Given by F (X1,x2, X3

Multiple Choice

If the production function is given by f (x1,x2, x3, x4) = min{x1, x2} + min{x3, x4} and the prices of inputs (x1,x2, x3, x4) are (2, 1, 5, 3) , the minimum cost of producing 1 unit of output is closest to

A) $1.
B) $3.
C) $4.
D) $8.
E) $11.