Answers and explanations:
1) A modification problem takes places when creating a database two different type of information is entered in the same chart row generating inaccuracy. The only form to solve this issue is creating a new row so each piece of information will be stored in one row particularly.
2) There are three (3) types of modification problems: the deletion problem (<em>the single row containing information from different themes can be deleted losing data</em>), the update problem (<em>new information entered could lead to more inconsistency</em>), and the insertion problem (<em>similar to deletion, a new row can be inserted instead of the row causing problem but information will be missing</em>).
Answer:
$67860
Explanation:
sell price of each toaster= $24.45
variable cost per unit= $16.65
total fixed cost= $25,700
number of unit sold x= 8700
the formula for contribution margin is
= sales price- variable cost
= (s-v)x
putting values we get
= ![(24.45-16.65)\times8700](https://tex.z-dn.net/?f=%2824.45-16.65%29%5Ctimes8700)
= $67860
Hence the contribution margin the above case will be $67860
Answer:
C) ABC 5% and DEF 5.7%
Explanation:
Data provided in the question:
Purchasing Cost of Stock ABC purchased = $40 per share
Purchasing Cost of Stock DEF purchased = $35 per share
Time = 6 months
Selling price of share of ABC = $42 per share
Selling price of DEF share = $36
Dividend paid to the DEF = $0.5 each quarter i.e $0.5 twice in 6 months
Thus,
Total dividend paid to DEF = $0.5 × 2
= $1
Now,
For ABC
Total return = Selling price - Purchasing Cost
= $42 - $40
= $2 per share
thus,
Holding period return = [ Total return ÷ Purchasing cost ] × 100%
= [ $2 ÷ $40 ] × 100%
= 5%
For DEF
Total return = Selling price + Dividend received - Purchasing Cost
= $36 + $1 - $35
= $2 per share
thus,
Holding period return = [ Total return ÷ Purchasing cost ] × 100%
= [ $2 ÷ $35 ] × 100%
= 5.7%
Hence,
option C) ABC 5% and DEF 5.7%.
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