Ayoung thomas edison makes 20 light bulbs a week in his dorm room. the parts for each light bulb cost $2.00. he sells each light bulb for $5.00. general electric offers thomas an executive job that pays $50.00 a week. thomas's weekly economic profit from making light bulbs is equal to:

Jamie is saving for a trip to europe. she has an existing savings account that earns 3 percent annual interest and has a current balance of $4,200. jamie doesn’t want to use her current savings for vacation, so she decides to borrow the $1,600 she needs for travel expenses. she will repay the loan in exactly one year. the annual interest rate is 6 percent. a. if jamie were to withdraw the $1,600 from her savings account to finance the trip, how much interest would she forgo? .b. if jamie borrows the $1,600 how much will she pay in interest? c. how much does the trip cost her if she borrows rather than dip into her savings?

The common stock and debt of northern sludge are valued at $65 million and $35 million, respectively. investors currently require a return of 15.9% on the common stock and a return of 7.8% on the debt. if northern sludge issues an additional $14 million of common stock and uses this money to retire debt, what happens to the expected return on the stock? assume that the change in capital structure does not affect the interest rate on northern’s debt and that there are no taxes.

Tl & co. is following a related-linked diversification strategy, and soar inc. is following a related-constrained diversification strategy. how do the two firms differ from each other? a. soar inc. generates 70 percent of its revenues from its primary business, while tl & co. generates only 10 percent of its revenues from its primary business. b. soar inc. pursues a backward diversification strategy, while tl & co. pursues a forward diversification strategy. c. tl & co. will share fewer common competencies and resources between its various businesses when compared to soar inc. d. tl & co. pursues a differentiation strategy, and soar inc. pursues a cost-leadership strategy, to gain a competitive advantage.