Determine whether the study depicts an observational study or an experiment. A. Seventh dash grade students are randomly divided into two groups. B. One group is taught math using traditional techniques; the other is taught math using a reform method. C. After 1 year comma each group is given an achievement test to compare proficiency. D. nothing

Prior to its closing, income summary had total debits of $1,190,500 and total credits of $1,476,300. what purpose is served by the income summary account and what is the nature of the entries that resulted in the $1,190,500 and the $1,476,300? the income summary account is used to the accounts. the $1,190,500 represents the , and the $1,476,300 represents . the company had of $ .

When the federal reserve buys and sells bonds to member banks, it is called a. monetary policy b. reserve ratio c. interest rate adjustment d. open market operations

You are evaluating two different silicon wafer milling machines. the techron i costs $285,000, has a three-year life, and has pretax operating costs of $78,000 per year. the techron ii costs $495,000, has a five-year life, and has pretax operating costs of $45,000 per year. for both milling machines, use straight-line depreciation to zero over the project’s life and assume a salvage value of $55,000. if your tax rate is 24 percent and your discount rate is 11 percent, compute the eac for both machines.