The Inventory Tracking System Shows That 12 Laptop Were on Hand

Multiple Choice

The inventory tracking system shows that 12 laptop were on hand before a customer brings two laptops to the register for purchase.The cashier accidentally enters the quantity sold as 20 instead of 2.Which data entry control would most effectively prevent this error?

A) Limit check.
B) Sign check.
C) Field check.
D) Validity check.