يا ترى الخطا فين:The salary is 800 yen an hour.

الحل wage او pay لان salary بمعني مرتب شهري او اسبوعي وهو ما يخالف المذكور في الجملة الاصلية.

اليك منى كل احترام وتقدير
The pay /wage is 800 yen an hour.
A salary is the amount of money that someone earns for a year's work,
usually paid once a month directly into their bank account: 'I'll pay you
back at the end of the month when I get my salary.' 'She's on a salary of
£23,000 a year.'
If someone is paid once a week, they receive wages. In the past, wages
were always paid in cash: 'He opened the envelope and counted his
wages.' When you are thinking about rates or levels of payment (rather
than actual coins and bank notes), use wage: 'She earns a pretty good
wage.' 'They're demanding a 20 per cent wage increase.' 'They've raised
the minimum wage from $4.25 an hour to $5.50.'
Pay is a general word for the (amount of) money people get for the work
they do: 'He's lost a month's pay.' 'They've been given a pay rise of £20
a week.'
Note that in informal styles these words are often used with the same
meaning