Answer the Question Using the Following Data,which Show All Available

Answer the question using the following data,which show all available techniques for producing 20 units of a particular commodity: $\begin{array}{c}\quad\quad\quad\quad\quad\quad\quad\text {Resource}\quad\quad\quad\quad\quad\text { Possible Production Techniques }\\\begin{array}{lll}\\\underline{\text {Resource}}\\ \text {Land}\\ \text {Labor}\\ \text {Capital}\\ \text {Entrepreneurial Ability}\end{array}\begin{array}{c}\\\underline{\text {Prices}}\\\$ 4\\3\\3\\2\end{array}\begin{array}{c}\\\quad\quad\quad\quad\quad\quad\quad\quad\quad\underline{\# 1} \\ \quad\quad\quad\quad\quad\quad\quad\quad\quad2 \\\quad\quad\quad\quad\quad\quad\quad\quad\quad1 \\\quad\quad\quad\quad\quad\quad\quad\quad\quad5 \\\quad\quad\quad\quad\quad\quad\quad\quad\quad3\end{array}\begin{array}{c}\\\underline{\# 2 }\\ 4 \\2 \\2 \\1\end{array}\begin{array}{c}\\\underline{\#3 }\\ 2 \\4 \\3 \\1\end{array}\begin{array}{c}\\\underline{\# 4 }\\ 4 \\1 \\1 \\4\end{array}\begin{array}{c}\\\underline{\# 5 }\\ 4 \\3 \\2 \\1\end{array}\end{array}$
Refer to the data.In view of the indicated resource prices,the economically most efficient production technique(s) is (are) technique(s) :

A) #1.
B) #2 and #4.
C) #3.
D) #1 and #3.