Assignment3B

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% Course: ENCMP 100
% Assignment: 3B
% Name:
% CCID:
% U of A ID:
%
% Acknowledgements:
% I refered to the MatLab documentation while writing.
%
% Description:
% This program calculates the minimum monthly deposit to reach the goal of
% total tuition cost by year 18.
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clc;
clear;
baseCost = 0;
while baseCost == 0
   program = input('Select a program: 1. Arts; 2. Science; 3. Engineering: ');         %Switch for program number, catches invalid numerical
                                                                                       %inputs but does not catch Strings or chars
   switch program
       case 1
           baseCost = 6000;
       case 2
           baseCost = 6500;
       case 3
           baseCost = 7000;
       otherwise
           disp('Invalid input');
   end
end
totCost = 0;
for i = 1:22             %Calculating the total cost for the 4 year program at the end of the 18 year saving period (year 19-22)
    if i > 18
        totCost = totCost + baseCost;
    end
    baseCost = baseCost*1.0575;
end
fprintf('The 4-year tuition fee is $%.2f\n', totCost);
deposit = 40;                        %Initial deposit, 50-10 because we add 10 at the start of the loop before calcilating.
bal = 0;
while(bal < totCost)                 %Until the final balance is enough to cover the cost of tuition the loop
                                     %will continue adding 10 to the initial balance each time
    deposit = deposit + 10;
    bal = 2000;
    for i=1:216
        bal = bal*1.005 + deposit;
    end
end
fprintf('You will need to save $%.2f each month to reach the goal\n', deposit);