You are designing a project where you have methods, variables, and classesi$)$ are intended to be used by other parts of the Program ii$)$ don't need to be exposed orused by other parts of the program. Describe the kind of interface you are going to usein situation $($i$)$ vs situation$($ii$)$a$)$ Private interface in both casesb$)$ Private interface for $($i$)$ and Public interface for $($ii$)$c$)$ Public interface for $($i$)$ and private interface for $($ii$)$d$)$ Public interface for both cases