This Excel 4.0 for Win spreadsheet will calculate the number of each type
of passenger available at a system.  It will also calculate the number of
cargo lots and their sizes (limit 15 lots) and add up the amounts.  Since
there are a lot of random numbers generated and I didn't want the sheet
changing everytime I entered a number, I set it for manual calculate
(press F9).  Don't change anything in the boxes and you should be OK.

See the companion file cargo.zip for cargo price calculation.

Send any bug reports and suggestions for changes to Rick at
rhunt@med.unc.edu.