please solve this

(i) The department employed 10 scientists, each paid \$75,000 per year, and 20 laboratory assistants, each paid $50,000 per year. (ii) Employce-related overhead added 20% to the direct cost of each employce. (iii) In addition to employee costs, the department incurred $125,000 in occupancy costs, $10,000 in travel costs, and $15,000 in miscellaneous costs. For 2021, you expect the following changes: (i) The number of scientists will be increased from 10 to 12 , and the number of laboratory assistants will be increased from 20 to 25 . (ii) All salaries will be increased by 2.5%, in line with the expected cost of living. (iii) Occupancy costs will increase by 10%. (iv) The travel budget will be cut to half the 2020 amount. (v) Miscellaneous costs will increase by $2,000, due mainly to increases in the cost of cat food for the cats who keep the laboratories clear of mice. Required (a) Prepare a budget for 2021 . (b) Due to a slump in company sales, the manager of the research and development department has been asked to reduce his overall budget. Head office would like the 2021 budget to be 5% lower than the 2020 actual cost. List and explain the choices the manager has when dealing with this request. (c) In past years, the research and development manager has observed that, whatever budget he proposed, upper management would cut it by 5%. What should he do to ensure that he had a budget sufficient to meet his operational needs