I need help with this, please.

Currently, Company BPM spends $400,000 on salaries for their 3 Engineers. Complete every missing value in the table below. From the starting values, we know Engineer B earns 35 % of the total $400,000 spent on salaries. Note: Each engineer does NOT earn the same salary. Decimal Expression for Percent Expression for Name Salary Salary Salary Engineer A Engineer B Engineer C Show Calculations Here: a) Next year, the Engineering department will be eligible for salary increases. If someone currently earns $122,500 and receives a salary increase of $6,500, what was the percent increase? Round to the nearest tenth of a percent. b) The Engineering department recently paid $1,920 in sales tax to purchase a new machine. If they paid a sales tax of 5.5%, what was the cost of the new machine? Round to the nearest penny. c) Company BPM surveyed its staff about providing coffee in the mornings. Of the 9,000 employees surveyed, 540 responded that they do not drink coffee. What percent do drink coffee? Round to the nearest tenth of a percent