A Certain Production Process Requires Only Two Types of Inputs

Multiple Choice

A certain production process requires only two types of inputs - capital and labor.In 2006,100 units of labor and 50 units of capital were employed,and 100 units of output were produced.In 2013,112 units of labor and 56 units of capital were employed.If the production process displays constant returns to scale,then how many units of output were produced in 2013?

A) 100
B) 112
C) 124
D) 144