b$.$ Write the equation for this consumption function.

$($Round your responses to two decimal places.$)$

$C=,+0\mathrm{.}8Y_D$

c$.$ Use the line drawing tool to plot and label the

consumption function on the diagram to the right. Make

sure that the line extends from disposable incomes of $0$ to

Carefully follow the instructions above, and only draw the

required objects.