11) If a stock portfolio is well diversified, then the portfolio variance: A) will equal the variance of the most volatile stock in the portfolio B) may be less than the variance of the least risky stock in the portfolio C) must be equal to or greater than the variance of the least risky stock in the portfolio D) will be a weighted average of the variances of the individual securities in the portfolio E) will be an arithmetic average of the variances of the individual securities in the portfolio

4. suppose that pollution in a neighborhood comes from two factories, with marginal benefit curves given by mb1 = 12 – p1 and mb2 = 8 – p2. the level of pollution in the neighborhood is given by p = p1 + p2. the government wants to limit pollution by instituting a pollution-rights market. the government’s desired level of p is 10, so it prints 10 pollution rights and offers them for sale to the firms.a)find the equilibrium selling price of a pollution right, as well as the allocation of rights (and hence pollution levels) across the two factories. b)repeat part (a) for the case where the government’s desired level of pollution equals 14. c)comment on the usefulness of a pollution rights market in achieving efficient levels of pollution abatement.

What is the relationship between the national response framework and the national incident management system (nims)? a. the national response framework replaces the nims, which is now obsolete. b. the response protocols and structures described in the national response framework align with the nims, and all nims components support response. c. the nims relates to local, state, and territorial operations, whereas the nrf relates strictly to federal operations. d. the nims and the national response framework cover different aspects of incident management—the nims is focused on tactical planning, and the national response framework is focused on coordination.

During january 2018, the following transactions occur: january 1 purchase equipment for $20,600. the company estimates a residual value of $2,600 and a five-year service life. january 4 pay cash on accounts payable, $10,600. january 8 purchase additional inventory on account, $93,900. january 15 receive cash on accounts receivable, $23,100 january 19 pay cash for salaries, $30,900. january 28 pay cash for january utilities, $17,600. january 30 firework sales for january total $231,000. all of these sales are on account. the cost of the units sold is $120,500. the following information is available on january 31, 2018. depreciation on the equipment for the month of january is calculated using the straight-line method. the company estimates future uncollectible accounts. at the end of january, considering the total ending balance of the accounts receivable account as shown on the general ledger tab, $4,100 is now past due (older than 90 days), while the remainder of the balance is current (less than 90 days old). the company estimates that 50% of the past due balance will be uncollectible and only 3% of the current balance will become uncollectible. record the estimated bad debt expense. accrued interest revenue on notes receivable for january. unpaid salaries at the end of january are $33,700. accrued income taxes at the end of january are $10,100