Presented below are the production data for the first six months of the year for the mixed costs incurred by venus company. month cost units january $ 5 comma 240 4,100 february $ 4 comma 550 3 comma 500 march $ 6 comma 830 5 comma 420 april $ 10 comma 200 8 comma 500 may $5,900 4 comma 900 june $ 7 comma 430 6 comma 620 venus company uses the highminuslow method to analyze mixed costs. what is the estimated total cost at an operating level of 6 comma 900 units?

Annuity payments are assumed to come at the end of each payment period (termed an ordinary annuity). however, an exception occurs when the annuity payments come at the beginning of each period (termed an annuity due). what is the future value of a 13-year annuity of $2,800 per period where payments come at the beginning of each period? the interest rate is 9 percent. use appendix c for an approximate answer, but calculate your final answer using the formula and financial calculator methods. to find the future value of an annuity due when using the appendix tables, add 1 to n and subtract 1 from the tabular value. for example, to find the future value of a $100 payment at the beginning of each period for five periods at 10 percent, go to appendix c for n = 6 and i = 10 percent. look up the value of 7.716 and subtract 1 from it for an answer of 6.716 or $671.60 ($100 × 6.716)

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Which of the following is not a characteristic of enterprise applications that cause challenges in implementation? a. they introduce "switching costs," making the firm dependent on the vendor. b. they cause integration difficulties as every vendor uses different data and processes. c. they are complex and time consuming to implement. d. they support "best practices" for each business process and function. e. they require sweeping changes to business processes to work with the software.