Veque nun 1. LR Equilibrium of the Competitive Firm and Industry A perfectly competitive widget firm has this long run total cost equation: LTC = (½)q³ – 6q² + 40q a. Find the long-run marginal cost curve (LMC) and the long-run average cost curve (LAC) and their minima. The firm's long-run supply curve (LS) is the LMC curve above LACmin. LMC = Q *- 12 Q+ 40 lova ort bni ot notps 2 LAC = pnis soiq ohem srtd to LACMIN = 13 at qa = 9 ALAC LMCMIN 니 at qm = _6 dunc 2 2Q-12=0 3 O -6=O %3D de + 6 +12 +12 Q = 6/2/3= 6 213 62-12(6) +uo 36-72+40 =4 b. Complete the table at left to find some points on the firm's LMC and LAC curves. Then complete the table at right to find, for levels of output at which profit is nonnegative in the long run, the average and total profit associated with various quantities supplied. 하la)2-61a) tuo= LMC LẠC P- LAC Profit 40 25 40 13 16 13 13 9. 10 13 3 10 12 40 12 IT 25 나0 15 15 18 18 148 229 21 21 c. GRAPH the firm's LAC, LMC, and long run supply (LS) curves (upper diagram page 3).
Veque nun 1. LR Equilibrium of the Competitive Firm and Industry A perfectly competitive widget firm has this long run total cost equation: LTC = (½)q³ – 6q² + 40q a. Find the long-run marginal cost curve (LMC) and the long-run average cost curve (LAC) and their minima. The firm's long-run supply curve (LS) is the LMC curve above LACmin. LMC = Q *- 12 Q+ 40 lova ort bni ot notps 2 LAC = pnis soiq ohem srtd to LACMIN = 13 at qa = 9 ALAC LMCMIN 니 at qm = _6 dunc 2 2Q-12=0 3 O -6=O %3D de + 6 +12 +12 Q = 6/2/3= 6 213 62-12(6) +uo 36-72+40 =4 b. Complete the table at left to find some points on the firm's LMC and LAC curves. Then complete the table at right to find, for levels of output at which profit is nonnegative in the long run, the average and total profit associated with various quantities supplied. 하la)2-61a) tuo= LMC LẠC P- LAC Profit 40 25 40 13 16 13 13 9. 10 13 3 10 12 40 12 IT 25 나0 15 15 18 18 148 229 21 21 c. GRAPH the firm's LAC, LMC, and long run supply (LS) curves (upper diagram page 3).
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Could I have help with part b. I’m not sure how to fill out the right table to find profit

Transcribed Image Text:1. LR Equilibrium of the Competitive Firm and Industry
A perfectly competitive widget firm has this long run total cost equation:
LTC = (½)q³ – 6q² + 40q
d. Find the long-run marginal cost curve (LMC) and the long-run average cost curve (LAC)
and their minima. The firm's long-run supply curve (LS) is the LMC curve above LACmin.
LMC = Q *- l2 Q+40
m-Royg ort
LMCMIN
LAC =
02-6Q+40
pe yigque
4 at qm = _ 6
ohq dahem ortd to
13
LACMIN =
at qa =
ALAC
de
2Q-12=0
3 Q -6=o
+ le
+12 +2
62-12(6) +uo
36-7 2+40 =4
b. Complete the table at left to find some points on the firm's LMC and LAC curves. Then
complete the table at right to find, for levels of output at which profit is nonnegative in
the long run, the average and total profit associated with various quantities supplied.
Q = 6//3 = Q =
213
하la)2-61a) +4o=
LMC
LAC
P- LAC
Profit
40
25
40
3
13
6.
4
13
9.
9.
13
13 3
16
10
10
12
40
12
15
25
40
15
18
18
148
229
21
21
c. GRAPH the firm's LAC, LMC, and long run supply (LS) curves (upper diagram page 3).
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