// loans_data.exc
// Used and explained in
// "How to Document a Spreadsheet: an
// Exercise with Cash-Flow and Loans",
// http://www.j-paine.org/dobbs/loans.html .


has_ceiling[ l ] = true[].

ceiling[ 1 ] = 20.
ceiling[ 2 ] = 40.
ceiling[ 3 ] = 60.
ceiling[ 4 ] = 80.

initial_loan[ l ] = 0.