could you please help me resolve the below ?

Scenario 17.2 Consider the information below: For Group K the cost of attaining an educational level y is:CK(y)=$2,000y and for Group M the cost of attaining that level is:CM(y)=$4,000y. Employees will be offered $30,000 if they have yy*. 29) Refer to Scenario 17.2. The highest level of y* that can be set and still have the high-productivity people choose to meet it is: A) 90. B) 60. C) 30. D) 22.5. E) 15. 30) Refer to Scenario 17.2. The lowest level of y* that can be set and still have only the high-productivity people meet it is: A) 90. B) 60. C) 30. D) 22.5. E) 15. 31) Refer to Scenario 17.2. If the threshold educational level y* is set at 45, A) only individuals in Group K will attain it. B) only individuals in Group M will attain it. C) individuals in both groups will attain it. D) no individuals will attain it. E) some fraction of individuals in each group will attain it. 32) Refer to Scenario 17.2. If the threshold educational level y* is set at 13 1/3, A) only individuals in Group K will attain it. B) only individuals in Group M will attain it. C) individuals in both groups will attain it. D) no individuals will attain it. E) some fraction of individuals in each group will attain it. 33) Refer to Scenario 17.2. If the threshold educational level y* is set at 20, A) only individuals in Group K will attain it. B) only individuals in Group M will attain it. C) individuals in both groups will attain it. D) no individuals will attain it. E) some fraction of individuals in each group will attain it. 34) Refer to Scenario 17.2. An employer who only wants to hire those people who find learning less costly can do so by choosing y* to be anywhere between A) 15 and 45. B) 15 and 30. C) 13 1/3 and 30. D) 8 and 20. E) none of the above