Function: mean(invert(numbers('ryy')), numbers('ryy')) if logn(product(mean(invert(numbers('ryy')), numbers('ryy')), invert(numbers('ryy')))) if invert(numbers('ryy')) > product(mean(invert(numbers('ryy')), numbers('ryy')), invert(numbers('ryy'))) else mean(invert(numbers('ryy')), numbers('ryy')) > product(mean(invert(numbers('ryy')), numbers('ryy')), invert(numbers('ryy'))) else logn(product(mean(invert(numbers('ryy')), numbers('ryy')), invert(numbers('ryy'))))
