profit_margin.Rd
Computes the Chapter 17 profit margin: $$ \text{Profit Margin} = \frac{NPV}{APV_{GP}}. $$
profit_margin(NPV, APV_GP)
Net present value of profits.
Actuarial present value of gross premiums.
Numeric scalar.
profit_margin(6.03, 259.52) #> [1] 0.0232352