Advanced Tech Company has a project to design an integrated information database for a major bank. The project data is given in the following table. The indirect costs of the project amount to $ 250 per day. The company will incur a penalty of $ 200 per day for each day the project lasts beyond the 17th day.

Activity	normal time (days)	Normal cost ($)	Fall time (days)	Accident cost ($)	immediate predecessor
A	4	800	3	1000	-
B	5	1000	3	2200	-
C	5	500	3	1500	one, b
D	3	1200	2	1500	B
mi	4	1500	4	1500	CD
F	2	1300	1	1400	mi
GRAMS	3	900	1	1000	mi
H	5	300	3	500	GRAMS

a. What is the duration of the project if only normal times are used? 22 days (I did it correctly)

b. What is the minimum cost program?

Using the least cost schedule, the duration of the project is ____ day(s).?