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16. Al is an attorney who conducts his practice as a sole proprietor. During 2019. he received cash of $150.000 for legal services. Of the amount collected. $25.000 was for services provided in 2018. At the end of 2019. Al had accounts receivable of $60.000. all for services rendered in 2019. At the end of the year. Al received $8,000 as a deposit on property a client was in the process of selling. Compute Al's gross income for 2019: Using the accrual basis of accounting. 17. An integrated audit is? Orequired for all companies required by the IAASB composed of a financial statement audit and an audit of internal control over financial reporting conducted according to audit standards of the AICPA 18. Evidence Dis composed of various items including underlying records of accounts and documents must be in written form includes records created by the auditor to document the audit activities includes only corroborating information obtained from outside the audit client