Given the following activity on five annual personal automobile policies as of June 30, 2009:

Policy	Effective Date	Original Expiration	Date Mid-term Cancellation Date
1	July 1, 2007	June 30, 2008	N/A
2	October 1, 2007	September 30, 2008	March 31, 2008
3	January 1, 2008	December 31, 2008	N/A
4	March 1, 2008	February 28, 2009	June 30, 2008
5	July 1, 2008	June 30, 2009	N/A

The exposure base is earned car years.

Calculate the in-force exposure as of April 1, 2008.

		3
		1.83
		1.5
		2.583