Choose the correct statement.
a. the cpi calculation assumes that everyone shops at discount stores and no one shops at convenience stores.
b. when the quality of a good improves over time, the cpi does not include the portion of the price rise attributable to the higher quality in its calculation.
c. changes in relative prices lead consumers to change the items they buy, and the cpi reflects this substitution.
d. the outlet substitution bias injects an upward bias into the cpi.

Historically, 12 percent of a mail-order firm's repeat charge-account customers have an incorrect current address in the firm's computer database. the number of customers out of 19 who have an incorrect address in the database is a binomial random variable with n = 19 and 2formula36.mml = 0.12.

Laurelton heating & cooling installs and services commercial heating and cooling systems. laurelton uses job costing to calculate the cost of its jobs. overhead is allocated to each job based on the number of direct labor hours spent on that job. at the beginning of the current year, laurelton estimated that its overhead for the coming year would be $ 61 comma 500. it also anticipated using 4 comma 100 direct labor hours for the year. in april comma laurelton started and completed the following two jobs: (click the icon to view the jobs.) laurelton paid a $ 20-per-hour wage rate to the employees who worked on these two jobs. read the requirements requirement 1. what is laurelton's predetermined overhead rate based on direct labor hours? determine the formula to calculate laurelton's predetermined overhead rate based on direct labor hours, then calculate the rate. / = predetermined overhead rate

Two assets have the following expected returns and standard deviations when the risk-free rate is 5%: asset a e(ra) = 18.5% σa = 20% asset b e(rb) = 15% σb = 27% an investor with a risk aversion of a = 3 would find that on a risk-return basis. a. only asset a is acceptable b. only asset b is acceptable c. neither asset a nor asset b is acceptable d. both asset a and asset b are acceptable