dep a/c dr
to machinery account

Entries in Accounts payable process:

Inventry A/c Dr
To GR / IR A/c
(Being Goods received)

GR / IR A/c Dr
To Vendor A/c
(Being invoice received)

Vendor A/cDr
To Bank A/c
(Being payment made)

Receiving the order from the customer->Quoate Approval->Create the Sales Order->Delivering the goods as per the SO->Create the Invoices->Receive Payments from customer.

Flow of Accounts receivable should be in proportion to Accounts payable i.e. in terms of ration 2:1

Payments: The partial or complete discharge of an obligation by its settlement in the form of transfer of funds.
Liquidation: The winding up of a business or a firm by its members or its creditors.