I keep getting the wrong answer and I don't know why.

include <iostream>

using namespace std; int main(int argc, const char * argv[]) {

const float fee = 0.50;
unsigned int widthdrawl = 0.00;
float balance = 0.00;

cout << "Enter widthdrawl amount and bank balance ex[30 120]" << endl;
cout.precision(4);
cin >> widthdrawl;
cin >> balance;

while(balance > 0){
    if((widthdrawl + fee) > balance) {
        cout << balance << endl;
        cout << "Not enough money in account" << endl;
        break;
    }

    else if(widthdrawl % 5 != 0) {
        cout << balance << endl;
        cout << "Did not enter a multiple of 5" << endl;
        break;
    }

    else if((widthdrawl % 5 == 0)) {
        balance = balance - widthdrawl - fee;
        cout << balance << endl;
        break;
    }

}

return 0;

}

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