HP 12c Solutions Handbook page 155

Profit and Loss Analysis
• Net income = (1 - tax)(net sales price - manufacturing expense - operating
expense)
• Net sales price = list price(1 - discount rate)
• where operating expense represents a percentage of net sales price.
Securities
Discounted Notes
Price (given discount rate)
• B = number of days in year (annual basis).
• DR = discount rate (as a decimal).
• DSM = number of days from settlement date to maturity date.
• P = dollar price per $100 per value.
• RV = redemption value per $100 par value.
•
P = RV
Yield (given price)
• B = number of days in year (annual basis).
• DSM = number of days from settlement date to maturity date.
• P = dollar price per $100 par value.
• RV = redemption value per $100 par value.
• Y = annual yield of investment with security held to maturity (as a decimal).
•
RV P
–
----------------- -
Y =
P
Forecasting
DSM
------------- -
– DR RV
B
B
------------- -
DSM
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