An investor puts up $6,000 but borrows an equal amount of money from his broker to double the amount invested to $12,000. The broker charges 4% on the loan. The stock was originally purchased at $30 per share, and in 1 year the investor sells the stock for $33. The investor's rate of return was . Multiple Choice 8.00% 12.00% 6.00% 16.00%

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

Which of the following is an element of inventory holding costs? a. material handling costs b. investment costs c. housing costs d. pilferage, scrap, and obsolescence e. all of the above are elements of inventory holding costs.

David consumes two things: gasoline (q 1) and bread (q 2). david's utility function is u(q 1, q 2)equals70q 1 superscript 0.5 baseline q 2 superscript 0.5. let the price of gasoline be p 1, the price of bread be p 2, and income be y. derive david's demand curve for gasoline. david's demand for gasoline is q 1equals nothing. (properly format your expression using the tools in the palette. hover over tools to see keyboard shortcuts. e.g., a subscript can be created with the _ character.)