5c/knox7.10 2/knox7.10 2.cpp


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// knox7.10 2.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include <iostream>
using namespace std;


int main()
{
    double intrest, amount, fee, intrestRate;

    cout << "\t-Loan Calculator-\n\n";

    cout << "Input the requested amount in dollars: ";
    cin >> amount;

    cout << "\nInput the intrest rate in percent: ";
    cin >> intrestRate;

    cout.precision(2);

    if (100 > amount  || amount > 1000) {
        cout << fixed << "The amount of the loan must be between $100 and $1000. You input $" << amount << ".";
        return 1;
    }
    if (1 > intrestRate || intrestRate > 18) {
        cout << "The intrest rate of the loan must be between 1% and 18%. You input " << intrestRate << "%.";
        return 1;
    }

    if (amount <= 500) {
        fee = 20;
    }
    else {
        fee = 25;
    }

    intrest = amount * (intrestRate / 100);

    cout << fixed << "\n\nYou requested a loan for $" << amount << ".\n";
    cout.precision(0);
    cout << "The intrest rate is " << intrestRate << "%.\n";
    cout.precision(2);
    cout << fixed << "The intrest is $" << intrest << ", and the fees are $" << fee << ", for a total of: $" << fee + intrest << ".";
    return 0;
}