I know this has something to do with loops but I cannot figure it out… I have to
ID: 3887087 • Letter: I
Question
I know this has something to do with loops but I cannot figure it out… I have to make it more efficient.
here is the problem:
// The QuickCopy company currently makes 60,000 copies per year
// at 15 cents each.
// They expect to increase the number of copies produced
// by 4 percent per year each year for the next 10 years,
// starting with this year.
// They also expect the price of each copy to increase
// by 3 cents per year, starting with this year.
// This program displays the company's expected
// income for each of the next 10 years.
// Modify it to be more efficient.
start
Declarations
num year = 1
num copies = 60000
num price = 0.15
num total = 0
num COPIES_INCREASE = 0.04
num PRICE_INCREASE = 0.03
copies = copies + copies * COPIES_INCREASE
price = price + price * PRICE_INCREASE
total = total + copies * price
output year, total
year = year + 1
copies = copies + copies * COPIES_INCREASE
price = price + price * PRICE_INCREASE
total = total + copies * price
output year, total
year = year + 1
copies = copies + copies * COPIES_INCREASE
price = price + price * PRICE_INCREASE
total = total + copies * price
output year, total
year = year + 1
copies = copies + copies * COPIES_INCREASE
price = price + price * PRICE_INCREASE
total = total + copies * price
output year, total
year = year + 1
copies = copies + copies * COPIES_INCREASE
price = price + price * PRICE_INCREASE
total = total + copies * price
output year, total
year = year + 1
copies = copies + copies * COPIES_INCREASE
price = price + price * PRICE_INCREASE
total = total + copies * price
output year, total
year = year + 1
copies = copies + copies * COPIES_INCREASE
price = price + price * PRICE_INCREASE
total = total + copies * price
output year, total
year = year + 1
copies = copies + copies * COPIES_INCREASE
price = price + price * PRICE_INCREASE
total = total + copies * price
output year, total
year = year + 1
copies = copies + copies * COPIES_INCREASE
price = price + price * PRICE_INCREASE
total = total + copies * price
output year, total
year = year + 1
copies = copies + copies * COPIES_INCREASE
price = price + price * PRICE_INCREASE
total = total + copies * price
output year, total
stop
Explanation / Answer
start
Declarations
num year = 1
num copies = 60000
num price = 0.15
num total = 0
num COPIES_INCREASE = 0.04
num PRICE_INCREASE = 0.03
while year <= 10 // this make a loop of 10 cycle for 10 years
do
copies = copies + copies * COPIES_INCREASE
price = price + price * PRICE_INCREASE
total = total + copies * price
output year, total // display year and total amount
year = year + 1
endwhile
stop