Answer:
Hand saw is cheaper.
Explanation:
Given:
Material cost = $500
Electric saw cost rent per hour = $20
Building hour from electric saw = 6 hour
Building hour from hand saw = 15 hour
Time off pay from job = $8/hour
Computation of total cost from Electric saw :
Total cost from Electric saw = Material cost + Renting cost of electric saw + Time of from job
Total cost from Electric saw = $500 + (6 × $20) + (6 × $8)
Total cost from Electric saw = $500 + $120 + $48
Total cost from Electric saw = $668
Computation of total cost from hand saw :
Total cost from hand saw = Material cost + Time of from job
Total cost from hand saw = $500 + (15 × $8)
Total cost from hand saw = $500 + $120
Total cost from hand saw = $620
Hand saw is cheaper.
I hope this helps--------
Answer:
One would have to invest 55%
Duration of 3-year bond is 2.78
Then 5wZ + 2.78(1 - wZ) = 4
2.22wZ = 1.22
wZ = .5495
Explanation:
To properly understand the concept behind the above calculation, let us define some basic concept:
Portfolio: This can be refereed to as a phrase in finance. It refers to the collection on investment that is being held by an investment company, a financial institution such as a bank ,persons or an individual.
Zero coupon bond: A zero-coupon bond is a bond where the nominal or return on investment (ROI) value is repaid at the time of maturity. This definition usually reflects a positive time value of money.
We should also recall that the formula for zero coupon bond as:
price = M / (1 + i)^n
where: M = maturity value
i = required interest yield divided by 2
Applying this formula, we were able to arrive at the investment percentage.
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