FPRSA=(NRE*FDL/IRR)
CIRSA=(CISM*NRE)
MPRSA=(TM+TUL)
IPRSA=(GE*50%)
| NRE | Net relevant earnings (earnings after basic tax deductions) |
| GE | Gross earnings (before deductions) |
| FDL | Family dependency level |
| IRR | Investment rate of return |
| CISM | Critical illness salary multiple |
| TM | Total mortgages |
| TUL | Total un-secured liabilities |
| FPRSA | Family protection recommended sum assured |
| CIRSA | Critical illness recommended sum assured |
| IPRSA | Income proteciton recommended sum asssured |
| MPRSA | Mortgage protection recommended sum assured |
| NRE | Deductions applied at standard 25% |
| FDL | Variable |
| CISM | Variable |
| IRR | Current mean 5% |