Answer:
Quan is a giver and Roland is a taker
Explanation:
A giver is someone who considers the needs of others before his needs. They support others without expecting anything in return. They are at the receiving end of interaction. In a workplace, they are not concerned about their success but give preference to uplifting and helping co-workers. Quan displays traits of a giver.
Takers, on the other hand, put their needs ahead of others. They try to gain maximum with minimum efforts. Roland displays traits of a taker.
Answer: Birth rates and death rates are high.
Explanation:
In industrialized countries the life expectancy is reasonably high, so it's false to state that the death rate is high.
Also in industrialized countries birth is controlled as against developing countries that don't really put birth control measures.
Answer:
$1.07
Explanation:
The marginal cost measures the change in total cost of adding on more worker divided by the change in product for this additional worker (marginal product of labor). When adding one more worker, costs will increase by $80 (wage rate), while product will increase by 75. Therefore, the marginal cost is:

The marginal cost is $1.07.