A total of 280 observations of Bob Ramos, an assembly-line worker, were made over a 40-hour work week. The sample also showed that Bob was busy working (assembling the parts) during 250 observations. (Round all intermediate calculations to at least two decimal places before proceeding with further calculations.) a) The percent of time Bob is working- 89.29 % (enter your response as a percentage rounded to two decimal placed) b) The number of observations that need to be taken of Bob to be 95% confident with 4% acceptable error (round your response to the immediate higher whole number)

Afreelance​ singer-songwriter is planning the restoration of a recently purchased civil​ war-era farmhouse. while he professes an enjoyment​ of, and talent in the construction​ trades, the theory of comparative advantage implies that a. the value of what he imports​ (in this​ case, professional contractor​ services) must equal the value of what he exports​ (songs). b. he should concentrate on the restoration work since his​ out-of-pocket costs will be much lower than if he hires professionals. c. ​self-sufficiency is​ advantageous, hence he should split his time between music and construction. d. the income lost while away from music will likely exceed the savings realized by doing the work​ himself, thus, he should hire professionals to do the restoration work. e. he ought to do as much of the work himself as possible since imports​ (in this​ case, professional contractor​ services) should always be restricted to those things that cannot be done internall

Kevin and jenny, who are both working full-time, have three children all under the age of ten. the two youngest children, who are three and five years old, attended eastside pre-school for a total cost of $3,000. ervin, who is nine, attended big kid daycare after school at a cost of $2,000. jenny has earned income of $15,000 and kevin earns $14,000. what amount of childcare expenses should be used to determine the child and dependent care credit?

Take it all away has a cost of equity of 11.11 percent, a pretax cost of debt of 5.36 percent, and a tax rate of 40 percent. the company's capital structure consists of 67 percent debt on a book value basis, but debt is 33 percent of the company's value on a market value basis. what is the company's wacc