4. Dave has recently completed his second year on the audit staff of a CPA firm. During the past year, be was assigned as a staff-level auditor to the first-year audit of the financial statements of a not-for-profit speech and hearing clinic. Dave has been assigned the in-charge responsibility on this year's audit engagement and believes that, if all goes well, he stands an excellent chance of being promoted to senior auditor later in the year. In addition to Dave, the audit team includes a first-year staff person, the engagement manager (Bob), and the engagement partner. Among Seniors, Bob is thought to be somewhat difficult to work for, although he is widely believed to be a good bet for admission to the partnership before long. Similar to last year 's, the current engagement letter specifies a fixed-fee billing arrangement. Dave initially believed that the budgeted audit hours would be sufficient, and early on be conveyed that expectation to Bob. However, as the budgeted hours were nearly exhausted, Dave realized that there were several days of audit work and related administrative tasks yet to be completed. He was uncertain to what extent his inexperience as an in-charge generally or his relative unfamiliarity with voluntary health and