Assume the risk-free rate is 3%. The expected return on the market portfolio is 18%, and its standard deviation is 20%. A company has an expected return of 22%, a standard deviation of 30% and a correlation of 1.2 with the market. What is the company's Sharpe ratio?

A manufacturer of light bulbs claims that the distribution of the light bulb life span has a mean of 60 hours and a standard deviation of 4 hours. The competition decides to check this claim by purchasing 30 light bulbs and testing them to determine the life span of the light bulbs. If the manufacturer's claim is true, how will the sampling distribution of the 30 light bulbs compare to the reported population distribution?

Big Toys, Inc. has a 34 day inventory period and a 23 day receivables period. The company purchases the toys which it sells from The Toy Co. under a 45 day payment arrangement. The Toy Co:

Which one of the following would not result in a timing difference?
I). Accelerated depreciation is used for tax purposes and straight-line is used for financial reporting.
II). Warranty expense is estimated for financial reporting; however, for tax purposes it is recognized as incurred.
III). Installment sales are recognized at point of sale for financial purposes but as the cash is received for tax purposes.

Jumbo, Inc. had sales of $8,000 in November, $14,000 in December, and projects sales of $10,000 in
January, $12,000 in February, and $8,000 in March. The firm's COGS in any given month is equal to 70% of the next month's sales. The firm collects its receivables in 60 days and pays its payables in 30 days.
The firm begins January 1 with $10,000 in cash. All sales and purchases are on credit. There are no other costs or revenues. What is Jumbo's cash balance at the end of March? Assume there are 30 days in every month.