Table 3.

Summary of data used.

Physical network characteristics
$\left|I\right|=1$	#. Distribution Center
$\left|J\right|=9$	#. Local stores
$\left|K\right|=67$	#. Demand sources
$\left|P\right|=1$	#. PPEs (facemask)
$\left|M\right|=1$	#. Customer types
$\left|T\right|=31$	#. Time periods
Cost parameters
$c_{0i}^p=dist(0,i)\times \overline{c}$	Unit delivery cost to distribution center $i\in I$
$c_{ij}^p=dist(i,j)\times \overline{c}$	Unit delivery cost from distribution center $i\in I$ to local store $j\in J$
$c_{jk}^p=dist(j,k)\times \overline{c}$	Unit delivery cost from local store $j\in J$ to demand source $k\in K$
$\overline{c}=0.01$	Distance to unit delivery cost conversion constant
$r_m^{p,{(t-s)}^{+}}$	Unit profit margin, a piece-wise function (see Fig. 6)
$L=2000$	Fixed cost for using a local store
Other parameters
$\alpha =0.0$	Minimum service level requirement
$C_j=2000$	Daily storage capacity at local stores
$D_j=200$	Daily delivery capacity at local stores
${\sum }_{p,t}{A}_{pt}=54,456$	Total supplies in $T$
${\sum }_{k,m,p,s}{d}_{km}^{ps}=50,069$	Total demand in $T$