Select the correct answer. Richard runs a small manufacturing business. Recently, he discovered that some of the financial trans
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Answer:
Control limits for x_bar are between 59.076 and 60.924
Control limits for R are between 0.669 and 5.331
Explanation:
Given data:
x_bar = 60 mph
n = 10
R = 3 mph
Step 1: Factors (see table attached)
At n = 10, factors for computing control charts limits are,
A2 = Mean factor = 0.308
D3 = Lower range = 0.223
D4 = Upper range = 1.777
Step 2: Control limits for x_bar
Lower Control limit:
LCL = x_bar - A2*R = 60 - (0.308)(3) = 60 - 0.924 = 59.076
Upper Control limit:
UCL = x-bar + A2*R = 60 + (0.308)(3) = 60 + 0.924 = 60.924
The control limits for x_bar are between 59.076 and 60.924
Step 3: Control limits for R
Lower Control limit:
LCL = D3*R = 0.223(3) = 0.669
Upper Control limit:
UCL = D4*R = 1.777(3) = 5.331
The control limits for R are between 0.669 and 5.331
Hope this helps!
Answer:
Pretax = 5.61%
After tax = 4.26%
Explanation:
The cost of debt will be the Yield to maturity of the bonds.
91 = present values of the 25 year annuity + present value of the maturity
There is no formula for exact YTM
we can either use excel or calculate by approximation:
In this case we will calcualte the YTM by aprroximation
C= 25 cuopon payment 1,000 x 5% / 2 becayse paymenr are semiannually
F= 1000 the face value is 1,000
P= 910 the present value or market value is 91% of the face value
n= 50 25 year at 2 payment per year
dividend 26.8
divisor 955
YTM 5.6125654%
This will be the pretax cost of debt
then we calculate the after tax cost of debt
pre-tax cost of debt ( 1 - t ) = after-tax
5.61% ( 1 - .24 ) = 4,2636