ABC company performs routine backups which are stored offsite. During a routine test, the company decided to enact a fire drill and test if recovering rABC company performs routine backups which are stored offsite. During a routine test, the company decided to enact a fire drill and test if recovering recent backups would work. The company decided to assume disaster occurred at $12$ AM on Thursday $(11$:$59$ PM on Wednesday$).$ The following other facts are available:

Full backups are performed on Sunday at $1$ AM

Differential backups are performed daily $($Monday $$ Saturday$)$ at $1$ AM

Completing a full backup takes $4$ hours

Completing a differential takes $1$ hour, on average

Recovering a full backup takes $1$ hour

Recovering a differential backup takes $30$ minutes

How long will it take ABC to recover its backups during this test? occurred at $12$ AM on Thursday $(11$:$59$ PM on Wednesday$).$ The following other facts are available:

Full backups are performed on Sunday at $1$ AM

Differential backups are performed daily $($Monday $$ Saturday$)$ at $1$ AM

Completing a full backup takes $4$ hours

Completing a differential takes $1$ hour, on average

Recovering a full backup takes $1$ hour

Recovering a differential backup takes $30$ minutes

How long will it take ABC to recover its backups during this test?