If an economist wishes to determine whether there is evidence that average family income in a community exceeds $25,000, either a one-tailed or two-tailed test could be used with equivalent results. a one-tailed test should be utilized. a two-tailed test should be utilized. none of these.

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)

Most economists report the elasticity of demand asa. the absolute value of the actual number.b. a negative number, since price and quantity demanded move in opposite directions.c. a percentage, since both the numerator and denominator are percentages.d. a dollar amount, since we are measuring the change in price.

As a result of a thorough physical inventory, waterway company determined that it had inventory worth $320200 at december 31, 2020. this count did not take into consideration the following facts: walker consignment currently has goods worth $47400 on its sales floor that belong to waterway but are being sold on consignment by walker. the selling price of these goods is $75900. waterway purchased $21900 of goods that were shipped on december 27, fob destination, that will be received by waterway on january 3. determine the correct amount of inventory that waterway should report.