Proper formula ng Philhealth senior/pwd with output tax with 2 Decimal?

Proper formula ng Philhealth senior/pwd with output tax with 2 Decimal?

Ano ang tamang formula ng Philhealth senior/pwd with output tax with 2 Decimal?

We have an issue: what decimal places will be correct?

Same values, different approach.

Nakakalito na kasi ano tamang sagot, may output si system na iba nalabas. 
Tried both on Itemize and Total

Net of Vat are different, Output tax is different. on total