Required:

A sales invoice typically includes the date of sale, salesperson, customer data, items included in the sale, and amount. Which foreign keys should be added to the following table to link all of these data elements? (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.)

Sales Table

Invoice#	Date	Amount
S-101	10/05/2016	2549.90
S-105	11/01/2016	949.95
S-107	11/02/2016	1209.70
S-108	11/06/2016	699.90

• Cashunchecked
• Customer #unanswered
• Remittance Advice #unanswered
• Salesperson #unanswered
• Cashier #unanswered
• Sales #unanswered
• Inventory #unanswered
• Receipt #