this question is from global engineering economics book ...chapter4
any help is appreciated.
Angus automotive has $100000 to invest in internal projects. thechoices are
1. lineimprovements $20000
2. new manualtester $30000
3. new automatic tester $60000
4. overhaulingpress $50000
only one tester may be bought and the press will not need overhauling if the line improvements are not made. what mutually exclusive project combinations are available if Angus Auto will invest in at least one?