Eighty units of end item X are needed at the beginning of week 6, and another 30 units are needed at the beginning of week 8. Pr
epare a material requirements plan for component D. D can only be ordered in whole cases (50 units per case). One case of D is automatically received every other week, beginning in week 1 (i.e., weeks 1, 3, 5, 7). Also, there are 30 units of B and 20 units of D now on hand. Lead times for all items are a function of quantity: one week for up to 100 units, two weeks for 101 to 200 units, three weeks for 201 to 300 units, and four weeks for 301 or more units. (Leave no cells blank - be certain to enter "0" wherever required.)
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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