* For every dollar over $100 spent, 5 Rentnz cents are awarded; and for every dollor over $500 spent, 10 Rentnz cents are awarded.
 * Note: the points will be round up to the nearest cent (e.g. 0.001 -> 0.01)
|calculated discount|
|''Actual $ spent''||''Rentnz $''|
|100.00||0.00|
|100.01||0.01|
|100.10||0.01|
|101.00||0.05|
|380.00||14.00|
|500.00||20.00|
|725.00||42.50|