Tracks a best-estimate hourly wage on active HITs being worked.
当前为
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// 2014-07-16 0.5b More work! Added function to remove a HIT that expires from the database under the assumption that expired hits
// were forgotten about rather than actively worked on until expiration. Updated wage calculation because I had a major
// brainfart about DIVIDING DOLLARS BY HOURS -- don't ask... Massive overhaul of entire wage calculator.
// Yet more safeguards and checks put in place...
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