ECON MALALA Flashcards
the analysis and evaluation of the factors that will affect
the economic success of engineering projects to the end that a recommendation can be
made which will ensure the best use of capital.
ENGINEERING ECONOMY
KW
- Econ SUCCESS OF ENG
the interest on a loan that is based only on the principal. Usually
used for short-term loans where the period is measured in days rather than years.
SIMPLE INTEREST
KW
- only on the principal
2 TYPES OF SIMPLE INTEREST
ORDINARY AD EXACT SI
Interest is computed on the basis of 12 months of 30 days
each which is equivalent to 360 days a year.
ordinary SI
360 days
interest is computed based on the exact number of days in a
given year which is 365 days for a normal year and 366 days during a leap year
Exact SI
Quantity of a certain commodity that is bought at a certain price at a given place and time
Demand
the interest deducted in advance
Discount
the discount on one unit of principal for one unit of time.
Rate of Discount
interest which is based on the principal plus the previous
accumulated interest.
Compound Interest
a graphical representation of cash flows drawn on a time scale
Cash flow diagram
the cost of borrowing money or the amount earned by a unit
principal per unit time.
Rate of Interest
2 types of rates of interest
– Nominal Rate of Interest
– Effective Rate of Interest
is the basic annual rate of interest. It specifies the rate of interest and the number of interest periods in one year.
NOMINAL RATE OF INTEREST –
is the actual or the exact rate of interest earned on the principal during a one-year period.
EFFECTIVE RATE OF INTEREST
based on the assumption that cash payments occur once
per year but compounding is continuous throughout the year.
Continuous Compounding