Find optimal rent for best tax benefit

OptimalRentForHRAIndia.js

//https://jsbin.com/zukibezida/edit?output
// bs: Basic Salary payslip PerMonth ,hra : hra paid in payslip PerMonth
bs = 50000
hra = 30000

console.log("[50percent of Basic Salary,HRA received,Excess of Rent paid over 10 percent of salary ")
//console.log("if Rent paid>>",i,p,">>max allowd>>>." ,p.min())
console.log(calc(bs, hra))


function calc(bs, hra) {
    arr = []
    Array.prototype.min = function() {
        return Math.min.apply(null, this);
    };

    for (i = 10000; i < bs * 1.3 / 2; i += 1000) {
        fiftyOfbasic = bs / 2
        hrarecived = hra
        excessof = i - (bs * 0.1)
        let p = [fiftyOfbasic, hrarecived, excessof];
        arr.push({
            if_rent_paid: i,
            fifty_Of_basic: fiftyOfbasic,
            actual_hra_recived: hrarecived,
            excess_of_10pc: excessof,
            max_Tax_Deduction_Allowed: p.min()

        })
    }
    return arr
}

/*
if Rent paid>> 27000 [ 25000, 30000, 22000 ] >>max allowd>>>. 22000
if u pay 27k ,max savings is 22k ie lease of 3 number in array
*/
/*a
50% of Basic Salary	Rs. 35,000	
HRA received	Rs. 35,000	
Excess of Rent paid over 10% of salary	Rs. 34,000

*/