to show "within SLA" if days between dates within SLA

Hi, I have a spreadsheet which shows the number of days between start and finish for different solution types. I have 6 different solution types:

P1 5 days
P2 10 days
P3 15 days
PP1 5 days
PP2 10 days
PP3 15 days
These are all in one column for different customers and I need an IF statement in the "Within SLA" column to say that if its "P1" in one column and >=5 days then its "within SLA" and if <6 days then "sla breach" and in the same statement need to say if tis "P2" in the column and >=10 days then its "within SLA" and if <11 days then "Sla breach" etc for the different scenarios above?
I have tried many different if statments but none seem to be working?
I really hope someone can help ;-)

I have attached an example file