The original published manuscript shows the wrong equation for Equation 1.
The correct equation is available below. The Publisher apologises for this error.
Equation 1:
$$\eqalign{Degree\;& of\;reliance\;on\;the\;MAMIMOSA \cr & = {{MAMIMOSA} \over {Total\;household\;income}}/{1 \over {The\;number\;of\;working\;age\;adults}}}$$