Which of the following constitutes random sampling? A. Select 30 consecutive sales invoices. B. Select 40 cheques issued during the year using a random number generator in Excel. C. Randomly select every 20th invoice from the sales journal to agree invoice pricing to customer contracts. Randomly select invoice 101 as a starting point. D. Select all collections during the year over $5,000 and agree to supporting documentation E. Select all fixed asset additions and agree proceeds to the cash receipts journal. F. Select the last 25 invoices paid during the year because these are the easiest to find. BOE