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On September 22, Illuminations Lighting Center sold $6,400 in merchandise on account to Sunshine Builders, a charge customer. A 5% sales tax applied to the sale. The date of the sales slip was September 22, and the credit terms were 2/10, n/30. What is the last day Sunshine Builders can pay the invoice and still receive a discount?

Researchers are conducting experiments to determine the role of alcohol in the development of depression. after the study is complete, they determine that the relative risk of developing depression is 1.55 with a 95 % ci of 1.2 -1.9. each group is then divided into nonsmokers and smokers. the relative risk for the nonsmokers is 1.12 with a 95% ci of 0.87-1.37. the relative risk for the smokers is 1.7 with a 95 % cl of 1.5-1.9. what type of bias may affect this study? a. procedure bias b. recall bias c. selection bias d. confounding e. lead-time bias