Can you help me deal with this problem?

QUESTION 8 Kay and Dom run a coffee house together. In order to maximise output, they have decided to specialise with Kay taking customer orders, and Dom making coffees. In one working day, Kay can take 19 orders per hour and Dom can make a total of 84 coffees. Assume one working day is 6 hours. Select the item from the list provided to make the following statements true. By specialising, Kay and Dom have their opportunity . Marginal benefit cost. 2. More efficient By Kay taking customer orders and Dom making coffees, they have maximised their output using the principal of 3. Opportunity cost If the allocation of tasks was reversed with Dom taking orders and 4. Coffees per hour Kay making coffee, one would expect output to be 5. Comparative advantage 6. Rational 7. Incrementally more efficient 8. Absolute advantage 9. An economic choice 10. Marginally more efficient 11. Less efficient 12. Minimised