Question

Using Python write a code for Function 1: A bank charges $10 per month plus the following check fees for a commercial checking account:

a. $0.10 each for 1-19 checks

b. $0.08 each for 20-39 checks

c. $0.06 each for 40-59 checks

d. $0.04 each for 60 or more checks.

(Note that the same fee is charged for all checks. If the customer writes 21 checks, all 21 checks are billed at the $0.08 rate.)

The bank also charges an additional $15 if the balance of the account falls below $400 (after applying the $10 fee but before any check fees are applied).

Write a function named getFees() which takes two arguments: one representing the account balance, and the other representing the number of checks written during the past month. This function returns a value representing the total amount that will be charged in fees for this month. If the account balance is 0 or less, ask again so the user will enter a valid input. If the number of checks is 0 or less, ask again so the user will enter a valid input. Note that the function just returns the amount. We display the amount when we call the function.

For example, getFees(1000.0, 14) would return 11.4 (the basic $10 fee plus 14 * 0.1 for the checks). getFees(250.75, 50) would return 28.0 (the basic $10 fee, plus a $15 penalty for falling below $400.00, plus 50 * 0.06 for the checks).

Answer 1

def getFees(initBalance,checks):

import sys

if initBalance<=0:
print('Enter valid input for initial balance')
sys.exit(1) #terminate the program with error
  

monthlyCharges = 10;
extraFee = 0;
serviceFee = 0;
if(initBalance<400):
extraFee = 15;
if(checks<20):
serviceFee = 0.1*checks + monthlyCharges + extraFee;
elif(checks>=20 and checks<=39 ):
serviceFee = 0.08*checks + monthlyCharges + extraFee;  
elif(checks>=40 and checks<=59 ):
serviceFee = 0.06*checks + monthlyCharges + extraFee;  
elif(checks>=60 ):
serviceFee = 0.04*checks + monthlyCharges + extraFee;  
return serviceFee;

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