Answer: Marginal propensity to consume = $0.60
Spending multiplier = $2.5
Explanation: The MPC can be calculated using following equation :-
[tex]MPC=\frac{change\:in\:consumption}{change\:in\:spending}[/tex]
[tex]MPC=\frac{\$0.60}{\$1}[/tex]
= 0.60
Similarly, we can calculate spending multiplier as :-
[tex]Spending\:multiplier\:=\:\frac{1}{1-MPC}[/tex]
[tex]Spending\:multiplier\:=\:\frac{1}{1-0.60}[/tex]
= $2.5