Online auctions typically: A. may result in significant upfront preparation and cost B. communicate that the buyer wants a long
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Answer:
The answer is "She saves on the trip".
Explanation:
Please find the complete question in the attached file.
Given:
The formula for Effective annual rate
Its potential value of its rental formula is used to measure the value of the rental at the middle of the 3rd year
The formula for the future annuity
Answer:
(a) Dan’s supply function S(P) can be stated as follows:
S(P)= 0 If P<4.
And S(P) = 20P- 80 If P≥4
(b) Dan’s supply function S(P) can be stated as follows:
S(P)= 0 If P<5.
And S(P) = 20P- 80 If P≥5.
Explanation:
Note that the equations given in the question can be correctly stated as follows:
C(Q) = 4Q + (Q^2/40) .................. (1)
MC = 4 + (Q/20) ............................ (2)
Therefore, we can now proceed as follows:
(a) What is Dan’s supply function?
The upward portion of the MC curve is the supply function of Dan.
Equating equation (2) to P, we have:
P = 4+ (Q/20)
P- 4 = Q/20
Q = 20P -80
The shutdown rule is that P > AVCmin
AVC = C(Q) / Q .................. (3)
Substituting equation (1) into (3), we have:
AVC = ( 4Q + Q^2/40)/ Q
AVC = 4 + (Q/40) ............... (4)
Since MC cuts the AVC at its minimum, equations (2) and (4) are then equated to solve Q which is the output level at which AVC is minimum as follows:
4 + (Q/20) = 4 + (Q/40)
(Q/20) - (Q/40) = 4 - 4
(Q/20) - (Q/40) = 0
Q = 0
Substituting Q = 0 into equation (4), we have:
AVCmin = 4+ (0/40)
AVCmin = 4
This implies that Dan will produce at any price ≥ $4.
Therefore, Dan’s supply function S(P) can be stated as follows:
S(P)= 0 If P<4.
And S(P) = 20P- 80 If P≥ 4.
(b) What is Dan’s supply function if he has an avoidable fixed cost of $10?
Since there is now a fixed cost, equation (1) becomes:
C(Q) = 4Q + (Q^2/40) + 10 ................. (5)
And the average cost (AC) will be as follows:
AC = (4Q + (Q2/40) + 10)/Q
AC = 4 + (Q/40) + (10/Q) .................... (6)
Since AC = MC when AC at its minimum, equations (2) and (6) are therefore equated to solve for Q as follows:
4 + (Q/40) + (10/Q) = 4 + (Q/20)
(Q/40) + (10/Q) = (Q/20)
Q = 20
Divide through by Q, we have:
(1/40) + (10/Q^2) = (1/20)
10/Q^2 = (1/20) - (1/40)
10/Q^2 = 0.05 - 0.025
10/Q^2 = 0.025
Q^2 = 10 / 0.025
Q^2 = 400
Q =
Q = 20
Substituting Q = 20 into equation (6), we have:
AC = 4 + (20/40) + (10/20)
AC = $5
This implies that Dan will produce at any price ≥ $5.
Therefore, Dan’s supply function S(P) can be stated as follows:
S(P)= 0 If P<5.
And S(P) = 20P- 80 If P≥ 5