Consider the following C program. Assume the fork$()$ call completes successfully. $10$a$.(2$ points$)$ How many processes are created during the execution of this program $($including the $$parent$$ process$)?$

$10$b$.(2$ points$)$ Draw the process hierarchy tree for this program.

$10$c$.(2$ points$)$ What is the value of $$count$$ at the line marked by $$Line L$,$Line M$,$ and $$Line N$?$ Be specific.