Which one of the following events causes an increase in a household's demand for money?

Which one of the following events causes an increase in a household's demand for money?

a.A rise in non-market economic activities carried out by the household.

b.A rise in the value of market transactions carried out by the household.

c.A decline in non-market economic activities carried out by the household.

d.A decline in the value of market transactions carried out by the household.

e.None of the above.