KINDS OF FUNCTION 2

// FUNCTION (PARAMETER)
import java.util.Scanner

var Asset: Double? = null
var Estimation: Double? = null
var Period: Int? = null
var Start: Int? = null
var End: Int? = null
var text = Scanner(System.`in`)

fun main() {

    println("Depreciation : Straight Line Method")
    print("Cost of Bought: ")
    Asset = text.nextDouble()
    println("Period of Depreciation(Year): ")
    print("Period (Integer): ")
    Period = text.nextInt()
    print("Begin of Year (Integer): ")
    Start = text.nextInt()
    print("End of Year (Integer): ")
    End = text.nextInt()
    print("Residual value(Float): ")
    Estimation = text.nextDouble()
    StraightLine(Asset!!, Period!!, Start!!, End!!, Estimation!!)
}

fun StraightLine(Asset: Double, Period: Int, Start: Int, End: Int, Estimation: Double) {
    if (Asset > 0 && Period > 0 && Start > 0 && End > 0) {
        var depreciation: Double = ((Asset - Estimation) / Period)
        println(" Depreciation/ Year : ${depreciation.toLong()}")
        println("|Year|      Amount    -   Accummulation   =   Resid  |")
    } else {
        print(" Minimal Integer: 1")
    }

    for (x in Start..End step 1) {
        var accummulation: Double = (x.toDouble() / Period.toDouble()) * (Asset - Estimation)
        var resid: Double = Asset - accummulation
        println("$x   ${Asset.toLong()} - ${accummulation.toLong()} = ${resid.toLong()}")
    }
}
// Pray 4 Uyghur: https://bylinetimes.com/2020/08/24/death-is-everywhere-millions-more-uyghurs-missing/