!2 Test essentials, to focus and reduce dependencies and thus maintenance cost

|''enter hire item types''|
| ''name''   | ''initial #'' |''hourly rate''|''daily rate''|''weekly rate''|''deposit'' |
| coffee urn | 20            | 1.50          | 12.00        |  60.00        | 50.00   |
| table      | 20            | 6.00          | 48.00        | 200.00        | 80.00   |
| coffee pot | 20            | 1.50          | 12.00        |  60.00        |  0.00   |
| chair      | 20            | 6.00          | 48.00        | 200.00        |  0.00   |
 * Hire 10 coffee pots
 * ....
|''rental items list''|
| ''name''   | ''current #'' |''hourly rate''|''daily rate''|''weekly rate''|''deposit'' |
| coffee urn | 10            | 1.50          | 12.00        |  60.00        | 50.00   |
| table      | 20            | 6.00          | 48.00        | 200.00        | 80.00   |
| coffee pot | 20            | 1.50          | 12.00        |  60.00        |  0.00   |
| chair      | 20            | 6.00          | 48.00        | 200.00        |  0.00   |

^SubsetColumns