cost–benefit 
adjective
Relating to or denoting a process that assesses the relation between the cost of an undertaking and the value of the resulting benefits: a cost-benefit analysis
- perk-buster
- perk-busting
- perked-up
- perkily
- Perkinean
- perkiness
- Perkinism
- Perkinistic
- Perkinite
- Perkin reaction
- Perkins, Carl
- Perkins, Frances
- Perkin, Sir William Henry
- Perkinsism
- Perkin's mauve
- Perkin's purple
- Perkin's reaction
- Perkin's violet
- Perkin synthesis
- perkish
- perk test
- perky
- Perl
- perlaceous
- per-lamb