$($c$)$ Find propagation delay in Link#$1.(15$ pts$)$

$($d$)$ Obtain an end$-$to$-$end delay for $1-$packet delivery from Host A to Host B$.(15$ pts$)$

$($e$)$ Obtain an end$-$to$-$end delay for $2-$packet delivery from Host A to Host B$.(20$ pts$)$

$($i$)$ Obtain an end$-$to$-$end delay for $100-$packet delivery from Host A to Host B$.(20$ pts$)$