Considering the world economic outlook for the coming year and estimates of sales and earning for the pharmaceutical industry, you expect the rate of return for lauren labs common stock to range between -20 percent and +40 percent with the following probabilities: probability possible returns.10 -.20.15 -.05.20 .10.25 .15.20 .20.10 .40compute the expected rate of return e(ri) for lauren labs.

Areal estate agent is considering changing her cell phone plan. there are three plans to choose from, all of which involve a monthly service charge of $20. plan a has a cost of $.42 a minute for daytime calls and $.17 a minute for evening calls. plan b has a charge of $.52 a minute for daytime calls and $.15 a minute for evening calls. plan c has a flat rate of $80 with 275 minutes of calls allowed per month and a charge of $.38 per minute beyond that, day or evening. a. determine the total charge under each plan for this case: 150 minutes of day calls and 70 minutes of evening calls in a month. (do not round intermediate calculations. round your answer to 2 decimal places. omit the "$" sign in your response.)c. if the agent will use the service for daytime calls, over what range of call minutes will each plan be optimal? (round each answer to the nearest whole number. include the indifference point itself in each answer.)d. suppose that the agent expects both daytime and evening calls. at what point (i. e., percentage of total call minutes used for daytime calls) would she be indifferent between plans a and b?

If the family’s net monthly income is 7,800 what percent of the income is spent on food clothing and housing?

Financial performance is measured in many ways. requirements 1. explain the difference between lag and lead indicators. 2. the following is a list of financial measures. indicate whether each is a lag or lead indicator: a. income statement shows net income of $100,000 b. listing of next week's orders of $50,000 c. trend showing that average hits on the redesigned website are increasing at 5% per week d. price sheet from vendor reflecting that cost per pound of sugar for the next month is $2 e. contract signed last month with large retail store that guarantees a minimum shelf space for grandpa's overloaded chocolate cookies for the next year