PLEASE HELP QUICKLY: (FIRST ANSWER GETS BRAINLIEST) PERSONAL & FAMILY FINANCE A company is giving away a free stuffed bear to promote its new store. Even if the bear is free for you, the item still cost money to make, as someone spent time, labor, and resources on it. What does this example BEST demonstrate?

entrepreneurial ability

rational self-interest

opportunity cost

After the 2008 recession, the amount of reserves in the us banking system increased. because of federal reserve actions, required reserves increased from $44 billion to $60 billion. however, banks started holding more reserves than required. by january 2009, banks were holding $900 billion in excess reserves. the federal reserve started paying interest on the excess reserves that the banks held. what possible impact will these unused reserves have on the economy?

How much are you willing to pay for a zero that matures in 10 years, has a face value of $1,000 and your required rate of return is 7%? round to the nearest cent. do not include a dollar sign in your answer. (i. e. if your answer is $432.51, then type 432.51 without $ sign)

What is the minimum educational requirement for a pediatric psychopharmacologist? a. md b. phd c. bachelors in medicine d. masters in medicine e. psyd