Suppose that there are two alt electric motors that provide 100hp output. An Alpha motor can be purchased for $12,500 and has an efficiency of 74%, and estimated life of 10 yrs, and estimated maintenance cost of $500/yr. A Beta motor will cost $16,000 and has an efficiency of 92%, a life of 10 yrs, and annual maintenance costs of $250. Annual taxes and insurance costs on either motor will be 1.5% of the investment. Assume that SV for both motors are negligible and that electricity costs $0.05/kw hr. Note: Electrical Eff If the MARR is 15%, how many hrs/yr would the motors have to be operated at full load for the annual costs to be equal?

Salvador county issued $25 million of 5% demand bonds for construction of a county maintenance building. the county has no take-out agreement related to the bonds. it estimates that 20% of the bonds would be demanded (called) by the buyers if interest rates increased at least 1%. at year-end rates on comparable debt were 7%. how should these demand bonds be reported in the government-wide financial statements at year-end? a) $25 million in the long-term liability section of the governmental activities column. b) $5 million in the current liability section of the governmental activities column and $20 million in the long-term liabilities section of the governmental activities column. c) $5 million in the governmental activities column and $20 million would be reported in the schedule of changes in long-term debt obligations. d) $25 million in the current liability section of the governmental activities column

Azster inc. recorded sales revenue for the year that ended december 31, 2014 as $67,000. interest revenue of $5,300 and expenses of $14,000 were also recorded for the same period. what is aster’s net profit or loss?

The total value of your portfolio is $10,000: $3,000 of it is invested in stock a and the remainder invested in stock b. stock a has a beta of 0.8; stock b has a beta of 1.2. the risk premium on the market portfolio is 8%; the risk-free rate is 2%. additional information on stocks a and b is provided below. return in each state state probability of state stock a stock b excellent 15% 15% 5% normal 50% 9% 7% poor 35% -15% 10% what are each stock’s expected return and the standard deviation? what are the expected return and the standard deviation of your portfolio? what is the beta of your portfolio? using capm, what is the expected return on the portfolio? given your answer above, would you buy, sell, or hold the portfolio?