Kathy has a broken dishwasher. She searches online for many hours comparing several brands and features. Then she goes to three appliance dealers to review those models and consults with the sales staff about delivery, installation, and price. In the store from which she finally makes her purchase, they give her a demonstration of the machine. Kathy's purchase is an example of a(n) problem-solving.

Elon musk is the ceo of tesla motors. musk also serves as chairman of tesla's board. according to corporate governance theory, which of the following is a logical reason why musk should serve on the board? 1. he serves on many other boards, including that of a major client of tesla.2. his is an independent director who is well positioned to monitor the company's management.3. he can easily fire board members that are shirking their duties.4. he can provide the board with valuable inside information about the firm and the industry.

Lavage rapide is a canadian company that owns and operates a large automatic car wash facility near montreal. the following table provides data concerning the company’s costs: fixed cost per month cost per car washed cleaning supplies $ 0.70 electricity $ 1,400 $ 0.07 maintenance $ 0.15 wages and salaries $ 4,900 $ 0.30 depreciation $ 8,300 rent $ 1,900 administrative expenses $ 1,400 $ 0.03 for example, electricity costs are $1,400 per month plus $0.07 per car washed. the company expects to wash 8,000 cars in august and to collect an average of $6.50 per car washed. the actual operating results for august appear below. lavage rapide income statement for the month ended august 31 actual cars washed 8,100 revenue $ 54,100 expenses: cleaning supplies 6,100 electricity 1,930 maintenance 1,440 wages and salaries 7,660 depreciation 8,300 rent 2,100 administrative expenses 1,540 total expense 29,070 net operating income $ 25,030 required: calculate the company's revenue and spending variances for august.

You wish to retire in 13 years, at which time you want to have accumulated enough money to receive an annual annuity of $23,000 for 18 years after retirement. during the period before retirement you can earn 9 percent annually, while after retirement you can earn 11 percent on your money. what annual contributions to the retirement fund will allow you to receive the $23,000 annuity? use appendix c and appendix d for an approximate answer, but calculate your final answer using the formula and financial calculator methods.