if you guys could help me out with this it'd be greatly appreciated.

Purchase invoice
new larger monitors were bought to replace the current ones
$3400.00 plus gst and pst (GST 5%, PST 8%)
cash tendered

Sales invoice
revenue from merchandise
$10450.00 plust gst and pst
No cash changed hands
Costs of goods was: $5434.00

Purchase invoice
New lamps for the CEO's office at headquaters
$7000.00 plust gst and pst
Cash tendered

Sales invoice
Inventory was sold.
$3700.00 plus gst and pst
cash tendered
cost of goods was $1924.00

purchase invoice
parts needed for repairs to the employees washroom
$760.00 plust gst and pst
Cash tendered

special sales invoice
old furniture was sold off to the highest bidder
$8600.00
no cash changed hands 27% is the rate of amortization for this asset class
$4988.00 of the assets original value was amortized
$2997.96 of the book value was the price paid for the asset

Special sales invoice
a leather chair was sold
$5500.00 was the original value of the asset
no cash changed hands 27% is the rate of amortization for this asset class
$2530 of the assets original value was amortized
$2702.70 of the book value was the price paid for the asset


Thanks in advance