Choose the below option: The timetable management set to complete our audit engagement was unreasonably short considering failure by the company's personnel to complete schedules on a timely basis and other delays in providing our audit engagement team with needed information. a. Auditor's report on financial statements b. Accounts receivable confirmation request c. Auditor's communication on significant deficiency and material weakness d. Engagement letter e. Attorney letter in response to auditor's written request to legal counsel f. Employment arbitration letter g. Second partner's engagement review notes h. Auditor's communication to those charged with other than with respect to significant deficiencies and material weaknesses. i. Underwriter's letter of doubt