Checks are pieces of paper that are linked to an account, you fill and sign the check with the amount of money that you would like to be taken out from the given account and to whom that money should be given or paid, and you have a checkbook, where you have to write to whom you wrote the check, the amount and the day, in this way you can have a written record of your payment.
I think if its bulk reducing it needs to be placed near the consumer. Bulk gaining needs to be put near the inputs for the product. ALSO for the one one top Weber says its the location of raw materials, location of market, and transportation cost
