Which of the following was not identified as one of the four conditions that must be met before a researcher can say that an independent variable or variables caused the change in the dependent variable?

A) Correlation 

B) Theory 

C) time order 

D) internal consistency

P8-6A On January 1, 2017, Harvee Company had Accounts Receivable of $54,200 and Al- Journalize various rece lowance for Doubtful Accounts of $3,700. Harvee Company prepares financial statements annually. During the year, the following selected transactions occurred. transactions. (LO 1, 3), AP Jan. 5 Sold $4,000 of merchandise to Rian Company, terms n/30. Feb. 2 12 26 Apr. 5 12 June 2 15 Accepted a $4,000, 4-month, 9% promissory note from Rian Company for balance due. Sold $12,000 of merchandise to Cato Company and accepted Cato's $12,000, 2-month, 10% note for the balance due. Sold $5,200 of merchandise to Malcolm Co., terms n/10. Accepted a $5,200, 3-month, 8% note from Malcolm Co. for balance due. Collected Cato Company note in full. Collected Rian Company note in full. Sold $2,000 of merchandise to Gerri Inc. and accepted a $2,000, 6-month, 12% note for the amount due. Instructions Journalize the transactions. (Omit cost of goods sold entries.)