Calculate the Overall Equipment Effectiveness $($OEE$)$ for a process with the following performance metrics:

Uptime of $7$ hours out of an available $8$ hours

$200$ units produced during those $7$ hours

Designed hourly production rate of $32$ parts per hour

$12$ scrapped parts out of the $200$ produced

$94\%$

$79\%$

$64\%$

$73\%$

$88\%$