The following rates are the minimum rates of wages payable to an adult worker:
for an adult worker paid by the hour or by piecework, $15.25 per hour:
for an adult worker paid by the day,—
$122 per day; and
$15.25 per hour for each hour exceeding 8 hours worked by a worker on a day:
for an adult worker paid by the week,—
$610 per week; and
$15.25 per hour for each hour exceeding 40 hours worked by a worker in a week:
in all other cases,—
$1,220 per fortnight; and
$15.25 per hour for each hour exceeding 80 hours worked by a worker in a fortnight.