Which of the following are ethical standard?

Stella company sells only two products, product a and product b. product a product b total selling price $50 $30 variable cost per unit $20 $10 total fixed costs $2,110,000 stella sells two units of product a for each unit it sells of product b. stella faces a tax rate of 40%. stella desires a net afterminustax income of $54,000. the breakeven point in units would be

In macroeconomics, to study the aggregate means to study blank

Suppose an investor starts with a portfolio consisting of one randomly selected stock. as more and more randomly selected stocks are added to the portfolio, what happens to the portfolio's risk