Write a pseudocode program that calculates the simple interest earned on a givenprincipal amount over a certain number of years at a specified annual interest rate. Theprogram should prompt the user to enter the principal amount, the annual interest rate, andthe number of years. It should then calculate and display the simple interest using theformula: Simple Interest = Principal × Rate × TimeWrite code that ask input of all the needed variables:…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………….…[3]Write code that calculate simple interest and display output:…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………….…[2]What do you need to change if you want to ensure that all inputs are valid (principal, rate,and time) are valid (i.e., non-negative and non-zero). Show the code.…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………….
Question
Write a pseudocode program that calculates the simple interest earned on a givenprincipal amount over a certain number of years at a specified annual interest rate. Theprogram should prompt the user to enter the principal amount, the annual interest rate, andthe number of years. It should then calculate and display the simple interest using theformula: Simple Interest = Principal × Rate × TimeWrite code that ask input of all the needed variables:…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………….…[3]Write code that calculate simple interest and display output:…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………….…[2]What do you need to change if you want to ensure that all inputs are valid (principal, rate,and time) are valid (i.e., non-negative and non-zero). Show the code.…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………………..…………………………………………………………………………………………………….
Solution
Pseudocode for the program:
- Ask for input of all the needed variables:
INPUT "Enter the principal amount: " STORE AS principal
INPUT "Enter the annual interest rate (in decimal form): " STORE AS rate
INPUT "Enter the number of years: " STORE AS time
- Calculate simple interest and display output:
CALCULATE principal * rate * time STORE AS simple_interest
OUTPUT "The simple interest is: " + simple_interest
- To ensure all inputs are valid (non-negative and non-zero), you can add validation checks:
INPUT "Enter the principal amount: " STORE AS principal
IF principal <= 0 THEN
OUTPUT "Invalid input. Please enter a positive number."
STOP
END IF
INPUT "Enter the annual interest rate (in decimal form): " STORE AS rate
IF rate <= 0 THEN
OUTPUT "Invalid input. Please enter a positive number."
STOP
END IF
INPUT "Enter the number of years: " STORE AS time
IF time <= 0 THEN
OUTPUT "Invalid input. Please enter a positive number."
STOP
END IF
CALCULATE principal * rate * time STORE AS simple_interest
OUTPUT "The simple interest is: " + simple_interest
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