Aleader who allows a team to figure out how to reach their own goals is displaying this leadership style.

the amount of money you earn by working is your income.

the percentage of people actively looking for a job is called unemployment.

answer: marginal utility of the fourth brownie is 0.

explanation: marginal utility is the addtional utility gained from the consumption of one more unit of a good. it is given by,

so, marginal utility at the 4th unit will be given by

since, the values are not given here, you can simply find marginal utility at fourth unit by subtracting total utility at 3rd unit from total utility at 4th unit.