On Jan 4 you provide services for a customer. A $1,000 invoice is given to your customer on Jan 5 with 3/10, n/30 terms. If the customer pays on Jan 9, the transaction on Jan 9 will be: a) Dr. Cash $970 & Sales Discounts $30; Cr. Accounts Receivable $1,000 Ob) Dr. Cash $970; Cr. Accounts Receivable $970 O c) Dr. Accounts Receivable $1,000; Cr. Cash $1,000 d) Dr. Accounts Receivable $1,000; Cr. Cash $970 & Sales Discounts $30 e) None of the above