Use the table below to answer the following questions.

Table $11\mathrm{.}1\mathrm{.}1$

The following table shows the relationship between consumption

expenditure $($C$)$ and disposable income $($YD$)$ for a hypothetical economy.

YD

$($dollars$)$ C

$($dollars$)$

$100$

$200$

$300$

$400$

$500$

$600225$

$300$

$375$

$450$

$525$

$600$

Refer to Table $11\mathrm{.}1\mathrm{.}1.$ The marginal propensity to consume is

Question $5$ options:

$1\mathrm{.}33.$

increasing as YD increases.

equal to $1$ when YD equals $$600.$

$0\mathrm{.}75.$

$0\mathrm{.}25.$