Which of the following is a familiarity threat to independence of the auditor? The auditor prepared bookkeeping entries that are reviewed in the audit engagement. The lead audit engagement partner has been providing audit services to the same non-PIE audit client for the last 15 years. The auditor is assisting with the sale of an audit client's business on a contingent fee basis. The fees for the non-audit services provided by an auditor to an audit client are significantly greater than the audit fees