Answer:
A. Training will provide $146,000 savings in help desk support and can be justified.
Explanation:
Current cost:
$50 x 40 calls per day = $2,000 per day x 365 days = $730,000
Cost with reduced number of help desk calls:
$50 x (40 x 0.80) calls per day = $1,600 per day x 365 days = $584,000
The answer would be the & symbol.
Answer: n-ary relationships
Explanation:
n-ary relationships are represented using diamond links . Here we can have n number of entities involved in the relationship. The cardinality ratio for the relationship between the entities can be 1:1, 1:many, many:1, many:many.
C. data sheet
I hope it is the right answer