c. By the end of January, $3,800 of services has been provided to customers who paid in advance on Januar d. Unpaid salaries at the end of January are $5,240. Using the information from the requirements above, complete the 'Analysis' tab. c. By the end of January, $3,800 of services has been provided to customers who paid in advance on Januar d. Unpaid salaries at the end of January are $5,240. Using the information from the requirements above, complete the 'Analysis' tab