Answered: Write a program that outputs the…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Write a program that outputs the inflation rates for two successive years and whether the inflation trend is increasing or decreasing. Ask the user to input the current price of an item and its price one year and two years ago. To calculate the inflation rate for a year, subtract the price of the item for that year from the price of the item one year ago and then divide the result by the price a year ago. Your program must contain the following functions:

• A function which gets the input (returning all three prices).

• A function to calculate the results (takes the three prices as input and returns the two inflation rates).

• A function to output the results.

Use appropriate parameters to pass the information into and out of the three functions. Do not use any global variables.

C++

Expert Solution

Step 1: Program Explanation

Include header file <iostream> for input output operation.
define function getInput to take inputs from the user.
define function showResult to show the calculated result.
define function displayOutput to display the results.
define main method.
initialize variables x, y, z, price, one_yr, two_yr, infltn1 and infltn2 with 0.
call getInput function in the main method.
declare function getInput and enter values of price, one_yr, two_yr variables from the user.
call showResult function inside it.
declare function showResult and calculate the values of infltn1 and infltn2.
call displayOutput function inside it.
declare displayOutput function and print the inflation rates.
Return output.

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