Is visual inspection a cost?

I did some calculations.

From a quality assurance perspective, the visual inspection process is now part of the production process.

Assuming a worker with an hourly rate @ 1500 is inspecting at 1.2 seconds/piece, 1個@0.5円.

GlamichanIf we inspect 4 pieces/second with a "production" capacity of 7,200 yen/hour, we can get a "production" capacity of 7,200 yen/hour.
If this is worked 6 hours/day x 20 days x 12 months, 10,368,000 yen/year!

At least a number close to the price of Glamichan...
We now understand why the users who delivered the product are using Glamichanso heavily.

One person told me, "That is not an inspection machine, but a production machine,
At the time, I didn't understand what he meant, but he was right.