Journalize the following transactions using the perpetual inventory method

On Aug 6 purchased $830 of inventory on account from Johnston with trerms of 2/10,n/30.
On Aug 8 purchased $2611 of inventory for cash from Pillner company
On Aug 15 Paid for August 6 purchase from Johnston
On Aug 17 Purchased $1743 on merchandise on account from Luis Company with terms 3/15, n/45