The Next Questions Refer to the Following

Multiple Choice

The next questions refer to the following.
Suppose the economy has TFP = 10, there are 400 hours worked, and 60 unit of capital and 210 units of land the Cobb-Douglas production function is:
Output = TFP x Hours^0.3 x Capital^0.3 x Land^0.2.
-If total factor productivity grows by 1% per year while capital and labor each grow by 2% per year,then output grows by

A) 2.2% per year
B) 3% per year
C) 5% per year
D) 1.67% per year
E) 4% per year