An auto analyst is conducting a satisfaction survey, sampling from a list of 10,000 new car buyers. the list includes 2,500 ford buyers, 2,500 gm buyers, 2,500 honda buyers, and 2,500 toyota buyers. the analyst selects a sample of 400 car buyers, by randomly sampling 100 buyers of each brand. is this an example of a simple random sample?

Laval produces lamps and home lighting fixtures. its most popular product is a brushed aluminum desk lamp. this lamp is made from components shaped in the fabricating department and assembled in the assembly department. information related to the 22,000 desk lamps produced annually follows. direct materials $280,000direct labor fabricating department (8,000 dlh × $24 per dlh) $192,000assembly department (16,600 dlh × $26 per dlh) $431,600machine hours fabricating department $15,200mhassembly department $20,850mhexpected overhead cost and related data for the two production departments follow. fabricating assemblydirect labor hours 150,000dlh 295,000dlhmachine hours 161,000mh 128,000mhoverhead cost $400,000 430,000required1. determine the plantwide overhead rate for laval using direct labor hours as a base.2. determine the total manufacturing cost per unit for the aluminum desk lamp using the plantwide overhead rate.3. compute departmental overhead rates based on machine hours in the fabricating department and direct labor hours in the assembly department.4. use departmental overhead rates from requirement 3 to determine the total manufacturing cost per unit for the aluminum desk lamps.

Why is it easier for new entrants to get involved in radical innovations when compared to incumbent firms? a. unlike incumbent firms, new entrants do not have to face the high entry barriers, initially. b. new entrants are embedded in an innovation ecosystem, while incumbent firms are not. c. unlike incumbent firms, new entrants do not have formal organizational structures and processes. d. incumbent firms do not have the advantages of network effects that new entrants have.

Aggart technologies is considering issuing new common stock and using the proceeds to reduce its outstanding debt. the stock issue would have no effect on total assets, the interest rate taggart pays, ebit, or the tax rate. which of the following is likely to occur if the company goes ahead with the stock issue? a. the roa will decline. b. taxable income will decline. c. the tax bill will increase. d. net income will decrease. e. the times-interest-earned ratio will decrease