Kyoko needs to find the time.
When people’s days are busy they need to prioritize their tasks and do the ones that are the most important. Kyoko needs to make the use of positive reinforcement one of their priorities for the day. Another thing to consider is doing positive reinforcement while doing something else. For instance, praising the quality of someone’s work while doing another task.
Answer: b. Is the Chinese food that you gave up when you chose to eat Italian food.
Explanation: Opportunity cost refers to the cost of the next best alternative foregone or sacrificed. When an individual chooses to take a certain action, then his opportunity cost of doing that will be the alternatives that he has foregone.
IT can be expresses as,

When the individual chooses Chinese food when he could have choose to eat Italian food, his opportunity cost will be the Chinese food that you gave up.
For other options there is no information on what was given up.
Answer:
a. Some of your printing processes utilize chemicals that require press operators to wear masks during production.<u> </u><u>Health and safety risks.</u>
Those chemicals present a health and safety risk because a person can get sick if they do not wear the masks.
b. Because of increased profits in the last 5 years, you have been able to increase staffing levels by 25%. <u>Increase employment.</u>
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c. The business is a member of the local Chamber of Commerce and supports local community charities. <u>Improve the quality of life</u>
The business supports local charities which shows that it aims to improve the quality of life.
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d. The business is the only one in town to offer 48-hour turnaround on printing projects. <u>Offer valuable products</u>
The business is the only one offering this service so it is offering valuable services.
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e. The business uses ink that is shipped in bulky, non-recyclable ink containers. <u>Environment damage</u>
Ink is bulky and containers are non-recyclable. This will cause environmental damage.
Profit will be maximum for the firm where marginal revenue = marginal cost.
Since, the market price is fixed at $8 and therefore each additional unit of camera will be sold at $8.
Hence, marginal revenue = $8.
From the table, it is clear that cameras are manufactured in batches of 100.
Marginal cost is the cost incurred to produce one additional unit of camera. It will be calculated by taking the difference of successive variable costs (or total costs) divided by 100.
To produce 400th unit, marginal cost = (2760 - 1960)/100 = $8
Hence, profit maximising quantity isB. 400 (MR = MC)