Modify these programs. Instructions are //at top of the programs. Chapter 5 Prog

Question

Modify these programs. Instructions are //at top of the programs.

Chapter 5 Programming Logic and Design 8th Edition Joyce Farrell

// This program is supposed to display every fifth year

// starting with 2015; that is, 2015, 2020, 2025,

// and so on, for 30 years.

start

   Declarations

      num year

      num START_YEAR = 2015

      num FACTOR = 5

      num END_YEAR = 30

   year = START_YEAR

   while year <= END_YEAR

      output year

   endwhile

stop

Second program to modify

// A standard mortgage is paid monthly over 30 years.

// This program is intended to output 360 payment coupons

// for each new borrower at a mortgage company.

// Each coupon lists the month number, year number,

// and a friendly mailing reminder.

start

   Declarations

      num MONTHS = 12

      num YEARS = 30

      string MSG = "Remember to allow 5 days for mailing"

      num acctNum

      num yearCounter

   housekeeping()

   while acctNUm <> QUIT

      printCoupons()

   endwhile

   finish()

stop

housekeeping()

   print "Enter account number or ", QUIT, " to quit "

   input acctNum

return

printCoupons()

   while yearCounter <= YEARS

      while monthCounter <= MONTHS

         print acctNum, monthCounter, yearCounter, MSG

         monthCounter = monthCounter + 1

      endwhile

   endwhile

   output "Enter account number or ", QUIT, " to quit "

   input acctNum

return

finish()

   output "End of job"

return

Explanation / Answer

Following are the modified programs

1  

start

   Declarations

      num year

      num START_YEAR = 2015

      num FACTOR = 5

      num END_YEAR = 30

      num COUNTER = 0

   year = START_YEAR

   while COUNTER <= END_YEAR

     print year;

     year = year + FACTOR;

     COUNTER = COUNTER + FACTOR;

   endwhile

stop

2

start

   Declarations

      num MONTHS = 12

      num YEARS = 30

      string MSG = "Remember to allow 5 days for mailing"

      num acctNum

      num yearCounter

   housekeeping()

   while acctNUm <> QUIT

      printCoupons()

   endwhile

   finish()

stop

housekeeping()

   print "Enter account number or ", QUIT, " to quit "

   input acctNum

return

printCoupons()

   while yearCounter <= YEARS

      while monthCounter <= MONTHS

         print acctNum, monthCounter, yearCounter, MSG

         monthCounter = monthCounter + 1

      endwhile

        yearCounter = yearCounter + 1

   endwhile

   output "Enter account number or ", QUIT, " to quit "

   input acctNum

return

finish()

   output "End of job"

return

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