Which of the following is used to see how a company's operating expenses, as a percentage of net sales, have changed from one year to the next?

Renee has been told that by creating an acronym of a list of items might help her remember the items more easily (such as OCEAN for the Big 5 personality traits). This memory improvement technique is referred to as:

a. rehearsal b. imaging c. coding d. onomatopoeia

According to the efficient market hypothesis, prices of actively traded stocks ________

A) can be under- or over-valued in an efficient market B) can only be under-valued in an efficient market C) do not differ from their true values in an efficient market D) can only be over-valued in an efficient market