MY QUESTION IS :
Prepare a short technical report on the above problem.
PLEASE HELP
Q1.
Let,
xi = number of product i to be produced where i = {VCR=1,STEREO=2,TV=3,DVD PLAYER=4}
Profit = Revenue-cost = 70x1+80x2+150x3+110x4-(3*7+2*5+1*10)x1-(4*7+2*5+1*10)x2-(4*7+4*5+3*10)x3-(3*7+3*5+2*10)x4
Objective is to maximize profit => Max 29x1+32x2+72x3+54x4
subject to,
3x1+4x2+4x3+3x4 <= 4700 (Electronic components)
2x1+2x2+4x3+3x4 <= 4500 (Nonelectronic components)
x1+x2+3x3+2x4 <= 2500 (Assembly time (hours))
xi >= 0 (non-negativity constraint)
Solving in solver we get,
Optimal solution:
VCR = 0
STEREO = 380
TV = 0
DVD Player = 1060
Maximized profit = 69400
Solver screenshot
Solver formula
Sensitivity report
i)
There is no impact on increase on Non electronic components as there is slack. Also, decrease upto another 560 units (Slack quantity) will also have no impact on profit. However decrease of more than 560 units will surely have an impact on profit
ii)
Electronic components have a shadow price of 2 and this shadow price is valid till increase of 2800 units which means for every additional unit of Electronic components will increase profit by $2 hence 400 units of additional Electronic components will increase profit by 400*2 = 800. New profit would be 69400+800 = 70200
iii)
As allowable increase for Electronic components is 2800 units so increase of 4000 units will surely change profit by we can not determine that by looking at the solver report as present shadow price will not remain valid beyond allowable increase. Hence we need to re-run the solver to find the change in profit
iv)
Yes. additional units of electronic components would be a buy from the supplier as increase of cost 400 is less than generated profit for another 400 units which is 800
v)
Assembly time has shadow price of 24 per hour which is valid till increase of 466.6666667 hours which means every additional hour of assembly time will increase profit by 24. As profit generated is more than the cost we should take it
vi)
Profit will decrease with every additional unit of forced production of VCRs
vii)
As reduced cost of VCR is -1 profit on VCR needs to be at least 30 before Anderson would consider producing them
viii)
Current production plan will remain optimal for following range of price of DVD players:
Lower range = (110-5) = 105 and upper range = (110+10) = 120
If DVD players are sold for 106 ,new total profit will be 69400-4*1060 = 65160
MY QUESTION IS : Prepare a short technical report on the above problem. PLEASE HELP i....
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