Because depending on the way they decide to receive there tutorial matter, the fee's due will change.
Its a RadioGroupBox and not a standerd groupbox and it has three options:
rgpTutmatter.ItemIndex = 0 (Tutorial matter is sent through post) Cost R99
rgpTutmatter.ItemIndex = 1 (Tutorial matter is sent via email) Cost R52
rgpTutmatter.ItemIndex = 2 (Tutorial matter will be downloaded) Free
What to do:
1> select radiogroupbox from the standerd tab.
2> Scroll down the properties of the radiogroupbox and look for items.
3> Double click on (TStrings)
4> Add 3 lines. Each line will be a radio option when you compile and run it.