On March 12, Klein Company sold merchandise in the amount of $7,800 to Babson Company, with credit terms of 2/10, n/30. The cost of the items sold is $4,500. Klein uses the perpetual inventory system and the gross method of accounting for sales. On March 15, Babson returns some of the merchandise. The selling price of the merchandise is $600 and the cost of the merchandise returned is $350. Babson pays the invoice on March 20, and takes the appropriate discount. The journal entry that Klein makes on March 20 is:

Each month, business today publishes a news piece about an innovative product, service, or business. such soft news is generally written by a freelance business writer and is known as a

"jake’s roof repair has provided the following data concerning its costs: fixed cost per month cost per repair-hour wages and salaries $ 20,900 $ 15.00 parts and supplies $ 7.70 equipment depreciation $ 2,800 $ 0.35 truck operating expenses $ 5,720 $ 1.60 rent $ 4,690 administrative expenses $ 3,850 $ 0.50 for example, wages and salaries should be $20,900 plus $15.00 per repair-hour. the company expected to work 2,600 repair-hours in may, but actually worked 2,500 repair-hours. the company expects its sales to be $47.00 per repair-hour. required: compute the company’s activity variances for may."

Astudent finds data on an internet site that contains financial information about selected companies. he plans to analyze the data and use the results to develop a stock investment strategy. what kind of data source is he using? what concerns might you have about drawing conclusions from this data set?