public static SalesServiceTax CalculateSalesServiceTax(SalesServiceTaxRate taxRate, TaxableFees fees) =>
new SalesServiceTax
{
Brokerage = taxRate.Brokerage * fees.Brokerage,
ClearingFee = taxRate.ClearingFee * fees.ClearingFee,
StampDuty = taxRate.StampDuty * fees.StampDuty
};
public Calculator(BrokerageFeeRate brokerageFeeRate, ClearingFeeRate clearingFeeRate,
StampDutyRate stampDutyRate, SalesServiceTaxRate taxRate)
{
this.brokerageFeeRate = brokerageFeeRate;
this.clearingFeeRate = clearingFeeRate;
this.stampDutyRate = stampDutyRate;
this.taxRate = taxRate;
}
[InlineData(105.14, 4.51, 16, 6.31)] // based on 15,020 purchase value
public void CalculateStampDuty_returns_expexted_result(decimal brokerageFee, decimal clearingFee, decimal stampDuty, decimal expectedResult)
{
var rate = new SalesServiceTaxRate(Percent(6), Percent(0), Percent(0));
var result = ToTotal(CalculateSalesServiceTax(rate, brokerageFee, clearingFee, stampDuty));
result.Should().BeApproximately(expectedResult, 0.01m);
}
public void Calculate_returns_expected_result(BrokerageFeeRate brokerageFeeRate,
ClearingFeeRate clearingFeeRate,
StampDutyRate stampDutyRate, SalesServiceTaxRate salesServiceTaxRate)
{
var sut = new Calculator(brokerageFeeRate, clearingFeeRate, stampDutyRate, salesServiceTaxRate);
var result = sut.Calculate(1, Lot(1), 1.5m);
result.Profit.Should().Be(50);
}
public static SalesServiceTax CalculateSalesServiceTax(SalesServiceTaxRate taxRate, in decimal brokerageFee,
public static Fee Fee(BrokerageFeeRate brokerageFeeRate, ClearingFeeRate clearingFeeRate, StampDutyRate stampDutyRate,
SalesServiceTaxRate salesServiceTaxRate) =>
new Fee(brokerageFeeRate, clearingFeeRate, stampDutyRate, salesServiceTaxRate);
