| Overload | Description | 
|---|---|
| Sum(IEnumerable<Debt>) | Sum the values of all Debt values in the sequence seq. | 
| Sum<T>(IEnumerable<T>,Func<T,Debt>) | Sum the values of all Debt values obtained from elements of the sequence seq through the function projecter. | 
| Sum(IEnumerable<AnnualInterest>) | Sum the values of all AnnualInterest values in the sequence seq. | 
| Sum<T>(IEnumerable<T>,Func<T,AnnualInterest>) | Sum the values of all AnnualInterest values obtained from elements of the sequence seq through the function projecter. | 
