Answer: Extra safety that is applied to a project immediately before the use of the constrained resource.(D)
Explanation:
Drum buffer can be explained as period of time that is used to safeguard the drum resource from the problems that occur from the drum operation. 
The aim of the drum buffer effect is to provide a recheck of the work in order not to deviate from the real aim of the project. The buffer makes up for the process variation, and makes the project stable as it gives extra safety which is applied mmediately before using constrained resource.
 
        
             
        
        
        
Answer:
C) No/Yes
Explanation:
An income statement (profit and loss account) is one of the financial statements of a company and shows the company’s revenues and expenses during a particular period. It indicates how the revenues are transformed into the net income or net profit
Absorption cost is a method of calculating the cost of a product or enterprise by taking into account indirect expenses (overheads) as well as direct costs.
How do you calculate total period cost under absorption costing?
Income statement shows Sales – Cost of Goods sold = Gross Margin (or Gross Profit) – Operating Expenses = Net Income and is based on the number of units SOLD.
 
        
             
        
        
        
Answer:
YTM = 12.66%
Explanation:
FV = ¥100,000
PV = 0.87 x  ¥100,000
PV=  ¥87,000
Coupon payment = 4.3% x ¥100,000
Coupon payment = ¥4300 per year 
N = 18 years
YTM = ?
We would simply plug these values into a financial calculator
https://www.calculator.net/finance-calculator.html?ctype=returnrate&ctargetamountv=1000000&cyearsv=18&cstartingprinciplev=87000&cinterestratev=6&ccontributeamountv=4300&ciadditionat1=end&printit=0&x=0&y=0
YTM = 12.66%