Option Explicit

Public Const NUM_MACHINE_TYPES% = 4
'The machine types are
'1. Excellent
'2. Good
'3. Average
'4. Bad

Public Const NUM_POLICIES% = 4
'The four replacement policies are:
'1. Never replace a machine
'2. Immediately replace a bad machine (in state 4)
'3. Immediately replace a bad or average machine (in states 3 or 4)
'4. Immediately replace a bad, average, or good machine (in states 2, 3, or 4)