A second-hand store is having a seven day sale during which the price of any uns
ID: 3917404 • Letter: A
Question
A second-hand store is having a seven day sale during which the price of any unsold item drops 10 percent each day. They need a list of prices starting from day 1 (original price) to day 7 showing the discounted prices for each piece of inventory. The inventory file includes a record for each item that has an item number, description, and original price on day one. For example, an item that costs $10.00 on the first days costs 10 percent less, or $9.00, or $8.10. Write an algorithm that will obtain a piece of inventory from the inventory file and display the price of the item on each day, one through seven. Repeat for each piece of inventory in the file.
Explanation / Answer
pseudocode
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output: list of prices starting from day 1 to day 7 showing the discounted prices for each piece of inventory
// variables are item_number, description, price, day
open "inventory.txt" file
while not EOF
Read item_number, description, price
day = 1
while day <= 7
Write day, price
price = price * 0.9
day = day + 1
end while
go to next line
end while
close "inventory.txt" file
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EOF means End of File
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