explain how to do in Quick Books

Add yourself as a new customer.

Add a new product or service. Export the products and service list into an Excel file and highlight the newly added product$/$service$.$

Make a credit sale of the new product$/$service $($from step $2)$ to yourself.

a$.$ Create an invoice. Print out in pdf$.$

b$.$ Create a credit memo to cover up $20\%$ of the invoice amount. Print out the credit memo in pdf$.$

c$.$ Apply the credit and receive the payment. Print out the invoices $($with the paid mark$).$

Make a cash sale to yourself.

a$.$ Create a sales receipt for cash sale. Print the receipt in pdf$.$

b$.$ Refund $20\%$ of the sale amount $($from $4.$a$.)$ in a check.

Export your $($as a new customer$)$ transaction list to an Excel file.

Upload all pdf and Excel files.