Transactions for Buyer and Seller Sievert Co. sold merchandise to Vargas Co. on account, $148,600, terms FOB shipping point, 2/10, n/30. The cost of the merchandise sold is $89,160. Sievert Co. paid freight of $2,100. Assume that all discounts are taken. Journalize Sievert Co.'s entries for the (a) sale, (b) purchase, and (c) payment of amount due. If an amount box does not require an entry, leave it blank.

Statistical process control charts: a. indicate to the operator the true quality of material leaving the process. b. display upper and lower limits for process variables or attributes and signal when a process is no longer in control. c. indicate to the process operator the average outgoing quality of each lot. d. display the measurements on every item being produced. e. are a graphic way of classifying problems by their level of importance, often referred to as the 80-20 rule.