Description
Apply rate to max(0,prepayment-exemption).
Financial accounting arithmetic tracks amounts, balances, fees and allocations on a declared currency and sign basis. An algebraically consistent result does not authorize a transaction or establish an amount legally due.
Apply rate to max(0,prepayment-exemption).
When to use this tool
Use Prepayment Fee Exempt Amount Term when you need a specified monetary balance or allocation calculation.
How to use the tool and how it works
- Enter prepayment, exemption, rate. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read chargeable, fee. Use the output convention below.
Require nonnegative prepayment, exemption and rate. Apply rate to max(0,prepayment-exemption).1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| prepayment | Prepayment | Required. Finite number; minimum 0. |
| exemption | Exemption | Required. Finite number; minimum 0. |
| rate | Supplied rate on the period and denominator basis stated above. | Required. Finite number; minimum 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| chargeable | Chargeable | Required. Finite number. |
| fee | Fee | Required. Finite number. |
{
"input": {
"prepayment": 1200,
"exemption": 1000,
"rate": 0.02
},
"output": {
"chargeable": 200,
"fee": 4
}
}Limitations and assumptions
- Rate is a fraction and the exemption is a supplied monetary allowance. The tool does not establish whether a fee is permitted or owed under a loan agreement.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.
Alternative or Complementary methods
Reconcile source ledgers and governing agreements using the intended currency precision and accounting policy. Include omitted fees, tax, timing and legal requirements before acting on a result.
References
Similar or alternative tools
- Finance: Fee Cap Floor Single Transaction
Clamp amount×rate between the supplied fee limits.
- Debt Waiver Principal Interest Allocation
Allocate waiver to interest or principal first, cap each at its balance, and return excess beyond total debt.