Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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// This pseudocode should determine and output the rental fees for cars.
// Standard cars rent for $65 per day, compacts rent for $40 per day,
// and subcompacts rent for $30 per day. Rentals for at least 7 days
// receive a 20% discount. An error message is displayed if the car type
// is not valid.

start
   Declarations
      string carType
      num days
      num STD_RATE = 65
      num COM_RATE = 40
      num SUB_RATE = 30
      num DAYS_FOR_DISCOUNT = 10
      num DISCOUNT_RATE = 0.20
      string QUIT = "ZZZZ"
   getReady()
   while carType <> QUIT
      detailLoop()
   endwhile
   finish()
stop

getReady()
   output Enter car type or , QUIT, to quit
   input carType
return

detailLoop()
   output "Enter days rented "
   input days
   if carType = "Standard" then
      rate = STD_RATE
   else
      if car_Type = "Compact" then
          rate = COMPACT_RATE
      else
         if carType = "Subcompact" then
            rate = SUB_RATE
         else
            rate = 0
            output "Invalid car type"
         endif
      endif
   endif
   if rate <> 0
      if days >= DAYS_FOR_DISCOUNT then
         rate = rate * DISCOUNT_RATE
      endif
      output carType, days
   output "Enter car type or ", QUIT, " to quit "
   input carType
return

finish()
   output "End of program"
return

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We need to modify the pseudocode for correct output. 

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