In each five-day week, two days allow equal time for all seven classes.
The five-day week also is suffering from an image problem.
When converted to a conventional five-day, 40-hour week, this would mean 13 weeks off each year.
"But the reality is that our employees work a five-day, 45-hour week."
But a five-day week has a benefit to consumer spending.
Then a parts shortage forced him to cut back to five-day weeks in December.
The five additional national holidays in the earlier five-day week remained and did not fall on the state rest day.
"They saw the five-day week as the next step," he said.
His total hours each month are about the same as they were in an eight-hour five-day week.
With technological advances, the five-day week became standard a very long time ago.