How markets work unit test

Emily bought 200 shares of abc co. stock for $29.00 per share on 60% margin. assume she holds the stock for one year and that her interest costs will be $80 over the holding period. ignoring commissions, what is her percentage return (loss) on invested capital if the stock price went down 10%?

According to this excerpt, a key part of our national security strategy is

Identify the level of the literature hierarchy for u.s. gaap to which each item belongs