Gig+Calculator

Specification: Gig Calculator
Write a program which will calculate whether a promoter has made a profit, or loss on a gig. It should take in the number of tickets sold, the price of a ticket, the percentage which the band get paid and the cost of hiring the venue.

It must calculate:
 * 1) Ticket Revenue = Tickets Sold x Ticket Price
 * 2) Band Payment = Ticket Revenue x Band Percentage / 100
 * 3) Profit / Loss = Ticket Revenue - Band Payment - Venue Hire

**Algorithm**
1. get ticketssold 2. get ticketprice 3. get bandpercent 4. get venuehire

5. ticketrevenue = ticketssold * ticketprice 6. display ticketrevenue 7. bandpayment = 8. display bandpayment 9. profitloss = 10. display profitloss

= =

The Task
1. Draw an input-process-output diagram 2. Copy and complete the algorithm 3. Write the program 4. Produce a screen dump of your code and screenshots to show your program working 5. Produce a user guide 6. Write an evaluation of your finished program