Adding Not Applicable to a NETWORKDAYS with IF, THEN, OR formulas

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Hi,

I need help in updating the formula in column F to include the word "not applicable" when it applies to scenarios that are in row 3 and 6 in column D. Originally, regarding these scenarios, I set them as “Within Policy”. Now it needs to be “not applicable”. The rest of the formula would need to work as is, to identify the "Within Policy" “Out of Policy” for the original.

Lastly, I also would need column G and D to reflect the word "not applicable" if column F is "not applicable."

Example 4-27-2021.xlsx
	A	B	C	D	E	F	G	H	I
1	Date Original Assigned	Reassigned Date	Owner Review Date	Original assigned	Reassigned Owner	Number of Business Days for the Original assigned	Days the Origional assigned is	Number of days for the reassigned Owner	Days the Reassigned Owner is
2	1/1/2021		1/4/2021	Within Policy	not applicable	2	2	not applicable	not applicable
3	1/1/2021	1/4/2021	1/6/2021	Within Policy	Within Policy	2	2	3	1
4	1/4/2021		1/11/2021	Out of Policy	not applicable	6	-2	not applicable	not applicable
5	1/6/2021	1/14/2021	1/14/2021	Out of Policy	Within Policy	7	-3	1	3
6	1/9/2021	1/14/2021	1/14/2021	Within Policy	Within Policy	4	0	1	3
7	3/10/2021	3/16/2021	3/22/2021	Out of Policy	Out of Policy	5	-1	5	-1
Example

Cell Formulas
Range	Formula
D2:D7	D2	=IF(ISNUMBER(G2),IF(G2>=0,"Within Policy","Out of Policy"),G2)
E2:E7	E2	=IF(ISNUMBER(I2),IF(I2>=0,"Within Policy","Out of Policy"),I2)
F2:F7	F2	=IF(AND(B2<C2,B2<>""),NETWORKDAYS(A2,B2),NETWORKDAYS(A2,C2))
G2:G7,I2:I7	G2	=IF(ISNUMBER(F2),-(F2-4),F2)
H2:H7	H2	=IF(OR(B2="",B2>C2),"not applicable",NETWORKDAYS(IF(B2>C2,A2,MAX(A2,B2)),C2))

Cells with Conditional Formatting
Cell	Condition		Cell Format	Stop If True
E2:E1048576	Cell Value	="not applicable"	text	NO
E2:E1048576	Cell Value	="Within Policy"	text	NO
E2:E1048576	Cell Value	="Out of Policy"	text	NO
D2:D12,D16:D1048576,A13:A15	Cell Value	="Out of Policy"	text	NO
D2:D12,D16:D1048576,A13:A15	Cell Value	="Within Policy"	text	NO