Below are the data for a Time-Cost CPM Scheduling analysis. The time is in days and the costs include both direct and indirect costs.

Activity	Immediate Predecessor	Normal Time	Crash Time	Normal Cost	Crash Cost
A	None	3	2	$200	$400
B	A	4	3	$300	$600
C	A	1	1	$200	$200
D	B and C	3	2	$500	$550
E	D	2	1	$500	$900

If you crash this project to reduce the total time by four days, what is the total time of the project and total cost?

a)	Total time is 8 days, total cost is $2650

b)	Total time is 9 days, total cost is $2300

c)	Total time is 10 days, total cost is $2500

d)	Total time is 8 days, total cost is $1850