In: Economics
Given:
Price: p = $600 – (0.05) D
Fixed cost: Cf = $900,000/month
Variable cost: Cv = $131.50/unit
The unit demand (D) is 1,000 board feet
Calculation:
(a) Optimal monthly sales volume:
D* = 4,685 units/month
Profit (or loss) at the optimal volume:
Total Revenue = 600D – 0.05 D2 (Price * Quantity)
(substitute D* value)
Total revenue = [(600*4685) - 0.05*(4685)2] = [28,11,000 - 10,97,461.25]
Total revenue = 17,13,538.75
Total Cost = 900,000 + 131.50D (Fixed cost + Variable cost)
Total cost = [900,000 + (131.50*4685)] = 900,000 + 6,16,077.5
Total cost = 15,16,077.5
Profit = Total Revenue ‐ Total Cost
Profit = 1713538.75 - 1516077.5
Profit = 197,461.25 /month
(b) Domain of profitable demand during a month:
Profit = TR - TC = 0
Profit = 600D – 0.05 D2 - 900,000 + 131.50D = 0
= ‐0.05D2 +600D ‐ 900,000 – 131.50D
= ‐0.05D2 + 468.50D – 900,000
Range of profitable demand is 2,698 units to 6,672 units per month.
Break even points
D1= 2697.8 and D2= 6672.3 units per month. Range of profitable
demand is 2697.8-6672.3 units.