The Quick Method sales tax working paper is designed to mimic the calculation as per the CRA guidelines (link). The references are shown to the right of each relevant line.
The working paper includes the following:
The calculating adjusted GST/HST included sales for the year
Total GST/HST input credits for the year
GST/HST payable calculation
Links to capital assets working papers
GST/HST payable / refundable for the year before installments and prior year balances owing / refunded
Total GST/HST payable / refundable at end of the year
GST reported on returns (monthly, annually, quarterly)
Reconciliation of GST/HST payments made for the year
Calculation of overpaid / underpaid GST/HST for the year
Diagnostics comparing GST/HST payable per TB compared to working paper and indicating when sales are beyond threshold
Also included in: Tax - Quick Method Working Paper (G1)