PLEASE HELP ME:( Tori bought one share of Macy's stock on Nov 1, 2016 for $33.38. Four years later, she sold it and the closing price for that day was $5.09.
a) How much money did she gain/lose with this stock?
b) What is her rate of return? ​
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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.

An arithmetic progression involves the addition of the same quantity to each number.which might represent the arithmetic growth of agricultural production

Before the tools that have come from computational psychiatry are ready to be used in everyday practice by psychiatrics, what is needed