Answer:
(i) $133.12
(ii) $297.6
(iii) $300.8
(iv) $301.6
Explanation:
From the compounding formula;
Future value = Present value 
where r is the rate, m is the number of payment per year, and n is the number of years.
Interest = future value - present value
Given that present value = $800, r = 8%, n = 4 years.
(i) annually,
m = 1, so that;
Future value = 800
= $933.12
Interest = $933.12 - $800
= $133.12
(ii) quarterly,
m = 3, so that;
Future value = 800
= 800(1.372)
= $1097.6
Interest = $1097.6 - $800
= $297.6
(iii) monthly,
m = 12, so that;
Future value = 800
= 800(1.376)
= $1100.8
Interest = $1100.8 - $800
= $300.8
(iv) weekly,
m = 54, so that;
Future value = 800
= 800(1.377)
= $1101.6
Interest = $1101.6 - $800
= $301.6
Drug Abuse Resistance Education (D.A.R.E.) is a police officer-led arrangement of classroom exercises that shows kids (normally in rudimentary or center school) how to remain tranquilize free and oppose peer weight.
According to Rosenbaum and Hanson (1998), D.A.R.E has no critical in general effect on utilizing cigarettes or liquor
They concluded that, Given the tremendous uses in time and cash required with D.A.R.E., no doubt proceeded with endeavors should center around different systems and projects that may deliver more significant impacts.
Answer: Option C
Explanation: In a monopolistic competition market structure, there are many producers selling their products and each product is not a perfect substitute of the other.
The number of producers are large but each operate at a relatively smaller level. The products offered in the market are similar but not identical.
Hence, from the above explanation we can conclude that option C is correct.
Answer:
The value of sales increase when when advertising is increased by one unit is $123.3
Explanation:
The value of sales increase is obtained by differentiating the sales equation (Y) with respect to advertising (X)
Y = 45.9 + 123.3X
dY/dX = 123.3
Increase in sales when advertising is increased by one unit = $123.3
