The number of days between the last frost of spring and the first frost of fall is known as

The prebisch–singer hypothesis concludes that: a. technology lowers the cost of manufactured products, so developing countries should see an increase in their terms of trade. b. developing countries experience a long-run decline in their terms of trade, as the demand for primary products in higher-income countries declines relative to their demand for manufactured goods. c. because of unfair trading practices, labor in developing countries is exploited. d. opec has been responsible for a slowdown in the world's standard of living.

On january 1, 2017, sophie's sunlounge owned 4 tanning beds valued at $20,000. during 2017, sophie's bought 3 new beds at a total cost of $14 comma 000, and at the end of the year the market value of all of sophie's beds was $24 comma 000. what was sophie's net investment

Kelso electric is debating between a leveraged and an unleveraged capital structure. the all equity capital structure would consist of 40,000 shares of stock. the debt and equity option would consist of 25,000 shares of stock plus $280,000 of debt with an interest rate of 7 percent. what is the break-even level of earnings before interest and taxes between these two options?