$($Carlos F$.$ Daganzo: Logistics Systems Analysis, $4$th Ed$.$ Springer, $2004)4\mathrm{.}5$ Assume that service is to be provided to $400$ customers uniformly

scattered in a $.x20mi.)$ square region, with the depot in a

corner. The following numerical constants describe the situation:

$v_{\text{m}\text{a}\text{x}}=0\mathrm{.}1($truckloads$/$day$-$mile