Engineering Economics Flashcards

1
Q

A

A

Annuity or annual

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2
Q

BV

A

Book value

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3
Q

EUAC

A

Equivalent uniform annualized cost

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4
Q

EV

A

Expected value

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5
Q

F

A

Future value

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6
Q

f

A

Inflation rate

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7
Q

G

A

Uniform gradient amount per interest period

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8
Q

i

A

Interest rate per period

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9
Q

M

A

Compound period

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10
Q

MACRS

A

Modified accelerated cost recovery system

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11
Q

MARR

A

Modified attractive rate of return

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12
Q

n

A

Number of compounding periods

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13
Q

P

A

Present value

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14
Q

ROI

A

Return on investment

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15
Q

Economics

A

A social science concerned chiefly with description and analysis of the production, distribution and consumption of goods and services

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16
Q

Finance

A

The science or study of the management of funds

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17
Q

Depreciate

A

To deduct from taxable income a portion of the original cost of (a business asset) over several years as the value of the asset decreases

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18
Q

Inflation

A

A continuing rise in the general price level usually attributed to an increase in in the volume of money and credit relative to available goods and services

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19
Q

Fixed cost

A

A cost that remains constant and does not vary with short term changes in production

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20
Q

Variable cost

A

Cost that fluctuates directly with changes in output

21
Q

Direct labor

A

Labor (as machine operators) applied directly to a product in the manufacturing process so that the cost is computable, identifiable, and chargeable directly to the specific product

22
Q

Indirect labor

A

Labor (as clerks, repair men, maintenance men) applied indirectly to a product in the manufacturing process so that the cost is not computable in, identifiable with, or chargeable directly to the specific product

23
Q

Sustainability

A

Of, relating to, or being a method of harvesting or using a resource so the resource is not depleted or permanently damaged

24
Q

Cash flow diagrams

A

A method to visualize cash flows over time

25
Q

P
Given F, i, n

A

P=F(1+i)^-n

Note that I should be a decimal

26
Q

Non annual compounding

A

i’ = (1+(r/m))^m-1

27
Q

Inflation

A

d=i+f+(ixf)

28
Q

Uniform gradient

A

Another type of cash flow that may be tested - the uniform gradient amount per interest period (G)

29
Q

P
Given G, i, and n

A

P’ = G(FIND IN FERH SUPPLIED FACTOR TABLE)

30
Q

Net present value

A
31
Q

Comparing alternative costs
Same i

A

Lower payback is better

P’ = -P + (P/F, i, n)
OR
P’ = -P + (P/A, i, n)

32
Q

Capitalized costs

A

The present value of an infinite series of payments, given an interest rate

33
Q

CONCEPT
Would an infinite series of payments produce an infinite value?

A

NO
and infinite series of payments will have a FINITE value

34
Q

Capitalized cost Eq

A

P = A/i

35
Q

Equivalent Uniform Annualized Cost
EUAC

A

When alternatives do the same job but have different life expectancies, they may be compared based on the cost per year of each alternative

36
Q

EUAC

A

EUAC = P(A/P, i, n) + (per year cost)

37
Q

Cost benefit analysis

A

B - C >= 0

38
Q

Fixed cost

A

Fixed costs do not vary with production, such as plant and equipment (overhead) costs

39
Q

Incremental cost

A

Or marginal costs - vary with production such as material and labor

40
Q

Sunk cost

A

BAD
Throwing good money after bad
Feeling committed to something because money was already put in

41
Q

Minimum attractive rate or return (MARR)

A

Should represent the minimum ROI known

42
Q

Break even analysis

A

Exactly as it sounds
Set Eq(1) = Eq(2) and solve for variable

43
Q

Probabilistic analysis

A

Given uncertain outcomes but given the probability of possible costs/revenues

44
Q

EV

A

EV = (C1)(P1) + (C2)(P2) + …

45
Q

Probabilistic analysis ex

A
  • remember to find EV THEN apply
    P’ = P(P/A, i, n)
46
Q

Straight line depreciation
D_j (j = year of depreciation)

A

D_j = (C-S_n)/n

47
Q

Book value

A

BV = P - ΣD_j

48
Q

Book value
Definition

A

Represents the portion of assets initial cost that has not yet been used to offset income