09 Business cycle dates Y Points The National Bureau of Economic Research {NBER} is a private research institution with headquarters in Cambridge, Massachusetts. The NBER's Business Cycle Dating Committee is responsible for identifying the peaks and troughs of US business cycles. Visit the NBER's business cycle page: http:iiwww.nbenorgicycleshtml Note that the information in the table can be downloaded in MS Excel format by following the "US Business Cycle Dates" and then the \"Download Excel le with Machine-Readable Chronology" link. Answer the following. 09.1 'I Point A business cycle peak is the start of an economic contraction or recession. A business cycle trough is the start of an economic expansion. How many contractions has the US experienced since 1854'? That is, how many business cycle peaks have there been since 1854? Enter your answer as an integer. Do not include commas, doilar signs, or other nonnumeric characters in your answer. 15.9., if your answer is 1'2 contractions, enter #2. Enter your answer here 09.2 'I Point What was the duration of the iongest contraction in the US since 1854 in months? Enter your answer as an integer. Do not include commas, doiiar signs, or other nonnumeric characters in your answer 15.9., if your answer is 12 months, enter 12. Enter your answer here Q9.3 1 Point What was the duration of the shortest contraction in the US since 1854 in months? Enter your answer as an integer. Do not include commas, dollar signs, or other non-numeric characters in your answer. E.g., if your answer is 12 months, enter 12. Enter your answer here Save Answer Q9.4 1 Point What was the duration of the longest expansion in the US since 1854 in months? Enter your answer as an integer. Do not include commas, dollar signs, or other non-numeric characters in your answer. E.g., if your answer is 12 months, enter 12. Enter your answer here Save Answer Q9.5 1 Point What was the duration of the shortest expansion in the US since 1854 in months? Enter your answer as an integer. Do not include commas, dollar signs, or other non-numeric characters in your answer. E.g., if your answer is 12 months, enter 12. Enter your answer here Save