Calculated variables

Major variables calculated from decision variables
$CAPE{X}_{S_i}$	Total Expected capital cost for a set of nodes S1 in millions of USD
$CAPE{X}_{S_i,S_j}$	Total Expected capital cost for ammonia transport from a set of nodes Si to a set of nodes Sj in millions of USD
$OPE{X}_{S_i}$	Total Expected operating cost for a set of nodes Si in millions of USD
$OPE{X}_{S_i,S_j}$	Total Expected operating cost for ammonia transport from a set of nodes Si to a set of nodes Sj in millions of USD
$NP{V}_{S_i}$	Expected net present value (NPV) for a set of nodes Si in millions of USD
$NP{V}_{S_i,S_j}$	Expected net present value (NPV) for ammonia transport from a set of nodes Si to a set of nodes Sj in millions of USD