Answer the question on the basis of the following data for a private closed economy.

possible levels of domestic output and income $($GDP$=$DI$)$

$320,330,340,350,360,370,380$

Consumption

$320,327,334,341,348,355,362$

Refer to the data. The MPS is:

Group of answer choices

$7/10.$

$3/10.$

$3/5.$

$2/5.$