During May, Team Shirts spent 4,000 to buy 800 T-shirts. In May, ...

[ghost!]

During May, Team Shirts spent 4,000 to buy 800 T-shirts. In May, Team Shirts sold 300 of them for 15 each. The rest were sold for cash of 12 each in June. Net income for May and June was ________.
 
  A) 4,500 in May and 6,000 in June
  B) 3,000 in May and 3,500 in June
  C) 1,500 in May and 2,500 in June
  D) 500 in May and 6,000 in June

Question 2

Why is there usually no control goal called update validity?
 a. Input and update completeness achieve update validity.
  b. Input validity guarantees update validity.
  c. Update accuracy guarantees update validity.
  d. Input accuracy achieves update validity.

[Tonny]

Answer to Question 1

B

Answer to Question 2

A

[ghost!]

Gracias!

[yeungji]

Excellent