Question

Refer to Eigure 4.2. ir Steve's Stylin' Sunglasses accepts installments without requiring a down payment, the multiplicities between Sales and Cash Receipts should be changed to: Multiple Choice O Sales (0.1) - (1.") Cash Receipts. O Sales (1.1)-(0.7Cash Receipts. O Sales (1.1) - (1.1) Cash Receipts. Sales (0)-(1.1)Cash Receipts. None of choices are correct.

Answer 1

Sales (1..1) - (0..*) Cash Receipts

For each sale there could only be 1 cash receipt, hence Sales (1..1)

But for each cash receipts there need not any sales or could be more than 1 sales (i.e. consolidate payment of 2 or more sales), hence Cash Receipt (0..*)