Answer:
The correct option is yes,the $15,000 will double each 7.5 years.In 15 years ,it will double twice.
Explanation:
The 72 rule stipulates that the number of years it would take an investment to achieve accumulate a certain amount- future value, can be computed by dividing 72 by the interest rate earns by the investment
N, the number of years=72/9.6
=7.5 years
Invariably,in 7.5 years' when Sally would have been 10.5 years(3 years now+7.5 years) the investment would have doubled.
By another 7.5 years when Sally would have been 18 years(10.5 years +7.5 years), the investment would have doubled twice.
The 72 rule is fast-track approach to calculating the duration of an investment.
D and E are be the correct answers
Answer:
As factors of production, the reward for land is rent, capital is interest, labour is wages and salaries and entrepreneur is profit.
She will have to work 6 hours.
The cost of advertising is part of the firm's variable cost and if advertising enables the firm to sell a greater output, its average total cost does not change.
Variable costs are dependent on the production output and sales. The variable cost of production is a constant amount per unit produced.
As the volume of production and output increases, variable costs will also increase. Alternatively, when fewer products are produced, the variable costs associated with production will consequently decrease.
Different examples of variable costs are sales commissions, cost of raw material, direct labor costs, used in production, and utility costs.
To know more about variable costs here:
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