On a $64-$bit addressable bus computer, given a memory paging management system with byte $($B$)$ as the minimum unit $($byte$-$oriented$),$ each page size is $4$ MB$,$ assuming that the operating system is deducted The available memory space after permanent installation is $24$ GB$.$ If a process has $32-$bits logical adress space: How many bytes $($B$)$ is the page table size of this process?