Suppose that for each one-percentage-point increase in the interest rate, the level of investment spending declines by $0.5 billion. the change in the interest rate (according to the change you made to the money market in the previous scenario) therefore causes the level of investment spending to by .

the correct answer option is b. a single paragraph.

explanation:

when you are thinking about paragraph​ topics, you should always choose a subject that can be adequately addressed in a single paragraph.

a paragraph is a piece of writing consisting of a few sentences that deal with a single theme. it has only a single idea that the paragraph revolves around and talks about.

so a paragraph topic must be chosen wisely where a single idea can be communicated in a single paragraph.