A company sales of $ 4,500,000 last year and ended the year with $450,000 of account Receivables, $200,000 of inventory, and $300,000 of a account

A company sales of $ 4,500,000 last  year and ended the  year with $450,000 of account Receivables, $200,000 of inventory, and $300,000 of a account payable all of which are considered Spontaneous accounts. Forecast the end-of-coming -year balances for these three account using the percentage-of-sales method if the sales forecast for the coming  year is $6,000,000?

Thanks