Financial ratios are useful $\_\_\_\_\_.$

for discounted cash flow analysis

if they can be compared to historical ratios or other companies' ratios

none of above

only if they are from the same year

for discounted cash flow analysis

if they can be compared to historical ratios or other companies' ratios

none of above

only if they are from the same year

A free lunch is riskless profit taking.

The principle holds both in long term and short term.

The principle is the result of 'other things equal, individuals prefer more money to less'.

An $$100$ bill on the street not yet picked up is an example of a free lunch.