How Does Circulation Affect Value?

The capitalist is only working productively for nine weeks in which they're making their thing through a variable labor that they are going to be able to cover with the cost. So how then, does circulation affect valerization, affect the accumulation of value? It's not just comprised like the transportation, it's also going to be the time that it takes for the object actually sold, if it has to, sit on a shelf. And however long it'll take to take that new money, prime that the capitalist has earned, to put back into production so that they can expand their industry.