Please I would like to know The answers of these MCQ thank you very much for helping me

Question 16 A method of dealing with production overheads involves sharing common costs to cost centres on the basis of benefits received. This is known as: Group of answer choices 1. Overhead analysis 2. Overhead allocation 3. Overhead apportionment 4. Overhead absorption Question 17 Where only one cost type is shown, which of the following cost curves starts at the origin? Group of answer choices 1. Variable costs 2. Semi-variable costs 3. Stepped fixed cost 4. Fixed costs Question 18 In a JIT (just in time) environment a business would expect to: Group of answer choices 1. Maintain a medium level of all inventory types 2. None of the above 3. Maintain a high level of all inventory types 4. Maintain almost no inventory Question 19 Under-absorbed overheads occur when: Group of answer choices 1. actual overheads are smaller than absorbed overheads 2. budgeted overheads are smaller than actual overheads 3. budgeted overheads are smaller than absorbed overheads 4. absorbed overheads are smaller than actual overheads 5. absorbed overheads are smaller than budgeted overheads Question 20 A company absorbs overheads on the basis of machine hours. The overhead absorption rate for the period has been based on budgeted overheads of 210,000 and 105,000 machine hours. During the period overheads of 198,000 were incurred and 84,000 machine hours were used. Which of the following statements is correct: Group of answer choices 1. none of the above 2. overhead was 12,000 underabsorbed 3. overhead was 30,000 underabsorbed 4. overhead was 30,000 overabsorbed 5. overhead was 12,000 overabsorbed