Lords Limited develops and sells off-the-shelf software packages. The retail price of each package is $550(GST inclusive). Included with each package sold are free upgrades for a period of 12 months from the date of sale. These upgrades can be purchased separately for $66 (GST inclusive). At the date of sale, Lords should record revenue of:

Select one:

$616

$550

$484

None of these

$440