Think it through...
If a quarter has approximately 90 days and purchases in 30 of those days, the payment will be in the following quarter, and for purchase in 60 of those 90 days, the payment will be made in the current quarter.... means?
If a firm pays its bills with a 30-day delay, what fraction of its purchases will be paid for in the current quarter? In the following quarter? What if its payment delay is 60 days?
1 answer