15 M M The following Information will be used for this assignment: The company ordinarily provides 30 days of credit (terms, balance due in 30 days from the date of the sales Involce). Overall planning materiality is established at $300,000. Furthermore, assume the auditors have determined a performance materiality of $200,000 for the account, with a $150,000 tolerable misstatement for each audit procedure. . Note that the first Excel tab within the source file is an Excel schedule with Keystone's open sales Invoices (receivables) as of 2018. It consists of 933 sales Invoices that total $10,235,457, which is Keystone's unaudited year- end accounts receivable. Assignment Steps: 111 -19:02 1x OK Part 1: 1. In this first part we will examine the monthly Accounts Receivable balances. We will begin the assignment by downloading financial data for Keystone. To do so we will click the Excel Keystone Accounts Receivable link within the assignment. 2 Having opened the file, let's now save it in a suitable location. We