Light emitting diode (leds) light bulbs have become required in recent years, but do they make financial sense? suppose a typical 60-watt incandescent light bulb costs $.41 and lasts for 1,000 hours. a 15-watt led, which provides the same light, costs $3.20 and lasts for 12,000 hours. a kilowatt hour of electricity costs $.117. a kilowatt-hour is 1,000 watts for 1 hour. however, electricity costs actually vary quite a bit depending on location and user type. an industrial user in west virginia might pay $.04 per kilowatt-hour whereas a residential user in hawaii might pay $.25. you require a return of 9 percent and use a light fixture 500 hours per year. what is the break-even cost per kilowatt-hour? (do not round intermediate calculations and round your answer to 6 decimal places, e. g., 32.161616.)

Asavings account that pays interest every 3 months is said to have a interest period

One question from a survey was "how many credit cards do you currently have? " the results of the survey are provided. complete parts (a) through (g) below. click the icon to view the survey results. (a) determine the mean number of credit cards based on the raw data. the mean is 3.113.11 credit cards. (type an integer or a decimal. do not round.) (b) determine the standard deviation number of credit cards based on the raw data. the standard deviation is 1.9111.911 credit cards. (round to three decimal places as needed.) (c) determine a probability distribution for the random variable, x, the number of credit cards issued to an individual. x (# of cards) p(x) x (# of cards) p(x) 1 0.280.28 6 nothing 2 nothing 7 nothing 3 nothing 8 nothing 4 nothing 9 nothing 5 nothing 10 nothing (type integers or decimals. do not round.)

Lambert manufacturing has $100,000 to invest in either project a or project b. the following data are available on these projects (ignore income taxes.): project a project b cost of equipment needed now $100,000 $60,000 working capital investment needed now - $40,000 annual cash operating inflows $40,000 $35,000 salvage value of equipment in 6 years $10,000 - both projects will have a useful life of 6 years and the total cost approach to net present value analysis. at the end of 6 years, the working capital investment will be released for use elsewhere. lambert's required rate of return is 14%. the net present value of project b is: