Michael works as a salesperson for an office supply store selling office furniture and electronics. Instead of a salary, Michael earns a straight commission of 8.5% of net sales. During the month of September, Michael generated $45803 in gross sales and had returns and allowances in the amount of $3477.

a) What is Michael's gross pay for the month of September? Show your answer to 6 decimal places in your written work and round your final answer to the nearest cent [2 decimal places] with the appropriate units.

b) The office supply store is sold to a new owner and she decides to keep Michael as a sales person because he is the top seller on the team. The new owner switches the commission structure to a graduated commission. The new commission system pays the sales people 5.5% on the first $10,000.00 in net sales, 8.5% on the next $15,000.00 in net sales, and 11.5% on any sales over $25,000.00. For the month of November Michael generates $45779 in net sales. How much does he earn in commission for the month of November? Show your answer to 6 decimals in your work, round your final answer to the nearest cent [2 decimal places] with the appropriate units.

c) In the spring, Michael was offered a job as a manager from a local office supply competitor. The competitor does not pay their managers commission and instead pays a annual salary. Michael want's to know if he will be making more or less money with the new company. Michael first needs to calculate his average monthly salary at his current job. His gross pay was $3917 in January, $4690 in February, $4919 in March, and $4331 in April. What was Michael's average monthly gross pay for those 4 months?Show your work to 6 decimal places to submit and round your final answer to the nearest cent [2 decimal places] with the appropriate units.