Question

matlab only

Question 4 A restaurant sells five different desserts whose prices are shown below in the following table: Dessert number Unit Price $ 3.98 $ 2.55 $6.90 $9.85 12.50 2 4 Write a Matiab program to display the above menu to the user. The program then prompts the customer for a key board entry of a series of pairs of numbers as follows Dessert Number: Quantity sold The program should then use switch statement to obtain the total price for the selected product. The program should also display the results after the computation using appropriate format statements. Run the program for Dessert #3 for quantity 12.

Answer 1

clear
clc

%displaying menu
fprintf('MENU: ')
fprintf('\nDessert number\tUnit Price')
fprintf('\n1\t\t\t\t$ 3.98')
fprintf('\n2\t\t\t\t$ 2.55')
fprintf('\n3\t\t\t\t$ 6.90')
fprintf('\n4\t\t\t\t$ 9.85')
fprintf('\n5\t\t\t\t$ 12.50')

more = true; % to allow a series of pairs to be entered
overallTotalPrice = 0;

while more
dessertNumber = input('\n\nDessert Number: ');   
  
switch dessertNumber
case 1
unitPrice = 3.98;
case 2
unitPrice = 2.55;
case 3
unitPrice = 6.90;
case 4
unitPrice = 9.85;
case 5
unitPrice = 12.50;
otherwise
error('unknown menu option')
end

quantitySold = input('Quantity Sold: ');

%capture quantity<0
if quantitySold<1
error('quantity must be atleast 1')
end

totalPrice = quantitySold*unitPrice; %for the current Dessert #

%computing overall total price cumulatively
overallTotalPrice = overallTotalPrice+totalPrice;

more = input('enter 0 to quit, or 1 to get more: ');%exiting program
end

%diaplying final total price when the customer quits
fprintf(['Total Price: $ ' num2str(overallTotalPrice) '\n\n'])

MENU: Dessert number Unit Price $ 3.98 $ 2.55 S 6.90 $ 9.85 s 12.50 Dessert Number 3 Quantity Sold: 12 enter 0 to quit, or 1 to get more: 0 Total Price: 82.8

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MENU: Dessert number Unit Price 1 S 3.98 $ 2.55 S 6.90 $9.85 S 12.50 Dessert Number 5 Quantity Sold: 3 enter 0 to quit, or l to get more: 1 Dessert Number 2 Quantity Sold: 10 enter 0 to quit, or 1 to get more: 0 Total Price: 63

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