please solve all the questions and write the formula + unit

I have seen different answers in chegg for this question and I do not know what is the correct answer

Work -2: m[20 marks] 1. Crompton Greaves Company produces various types of fans. In January, the company produced 1,728 Wall mounting fans at a standard price of $40.00. The company has 12 direct labor employees whose compensation (including wages and fringe benefits) amounts to $21.00 per hour. During January, Wall mounting fans were produced on 9 working days (of 8 hours each), and other products were produced on other days. Determine the labor productivity of the Wall mounting fans. 2. The Crompton Greaves Company (see # 1) also produces table fans at a standard price of $25.00. During January, 1,872 table fans were produced on 11 working days (of 8 hours each). On one day, two employees called in sick. a. Determine the labor productivity of the table fans. b. Was productivity higher for the Wall mounting fans or for the table fans in January? 3. Here is additional information about the Crompton Greaves Company (see #1 & #2). There were 20 working days in January. The direct material cost of Wall mounting fans is $7.00; the direct material cost of table fans is $5.00. The annual overhead expense incurred in operating the factory is $144,000. a. Determine the multi-factor productivity of the Crompton Greaves Company in January. b. What is the interpretation of the multi-factor productivity? 4. In June, the Crompton Greaves Company produced 1,730 Wall mounting fans (see #1) in 10 working days. What was the percentage change in labor productivity of Wall mounting fans from January