{/* Licensed to the Apache Software Foundation (ASF) under one */}
{/* or more contributor license agreements. See the NOTICE file */}
{/* distributed with this work for additional information */}
{/* regarding copyright ownership. The ASF licenses this file */}
{/* to you under the Apache License, Version 2.0 (the */}
{/* "License"); you may not use this file except in compliance */}
{/* with the License. You may obtain a copy of the License at */}
{/*  */}
{/* http://www.apache.org/licenses/LICENSE-2.0 */}
{/*  */}
{/* Unless required by applicable law or agreed to in writing, */}
{/* software distributed under the License is distributed on an */}
{/* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY */}
{/* KIND, either express or implied. See the License for the */}
{/* specific language governing permissions and limitations */}
{/* under the License. */}

import { Meta, Story } from "@storybook/blocks";
import * as InstallmentCalculation from "./InstallmentCalculation.stories";

<Meta title="Use cases/Loan Originations/Functions/Installment Calculation" of={InstallmentCalculation} />

The **Installment calculation** Business Knowledge Model is a
[Boxed Function](/docs/boxed-expressions-function--overview) expression.
It has four parameters, Product Type, Rate, Term, and Amount. The function contains a
[Boxed Context](/docs/boxed-expressions-context--overview) on its body with two
entries. The "Monthly Fee" entry is a [Boxed Literal](/docs/boxed-expressions-literal--overview)
and calculates the Fee based on the "Product Type".
The "Monthly Repayments" entry also is a [Boxed Literal](/docs/boxed-expressions-literal--overview),
and it calculates the monthly value to be paid. The
result of the [Boxed Context](/docs/boxed-expressions-context--overview),
which is the return of the [Boxed Function](/docs/boxed-expressions-function--overview)
is a [Boxed Literal](/docs/boxed-expressions-literal--overview) and returns the sum of both context entries.

<Story of={InstallmentCalculation.Expression} />