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PVK--Laboration: Strukturerad Analys (SA)

Introduction

A vital function of an arts administrator is to ensure the health and continual growth of the organization. This can be aided by the careful monitoring of budget concerns including the projection of ticket sales revenues from performances and a comparison of actual sales to projected sales. However, the calculations involved are time-consuming and frequently done manually. This precludes analysis of "what if" situations. Thus, many administrators lack an easy method of revenue projecting and tracking.

The aim of this project is to provide a generalized software package for arts administrators that will enable them to experiment with various pricing and scaling strategies for a particular performance series. Ticket revenue projections and breakeven points can be quickly generated in table format. Information concerning ticket sales and unsold tickets will also be maintained and tracked.

Main System Requirements

The system will allow the user to:

Make accurate estimates of revenue based on differing demands for tickets at various price levels.
Calculate different discount rates for categories such as adult, senior citizen and student-discount for both subscriptions and single tickets.
Keep account of all additional variables related to series budget and revenue projections.
Calculate how many seats are needed to be sold in each category of ticket in order to achieve breakeven.
Be able to redo all of the above calculations as new data becomes available.
Be able to do "what if" alternative projections based on different scenarios such as
- different price structures,
- different levels of ticket sales,
- and so on.

Details

Breakeven Calcuation

The system must begin by determining the amount of revenue from ticket sales needed for breakeven on a concert series. The breakeven amount is the critical concern in making decisions about ticket pricing. The breakeven revenue needed is calculated by subtracting the total income from sources other than tickets from total costs. The system will make these calculations based on input from the user, including information on fixed and variable costs, and earned and unearned income.

Ticket Pricing

Next, the system will aid the user in ticket pricing. The number of price levels to be used and the number of seats to be allocated to each price level will be determined by the user and entered. The number of complimentary seats at each pricing level, for which there will be no revenue, will be entered and those seats will be excluded from further calculations. The single ticket price and the discount rate for subscription tickets will then be entered.

The system will display tables of the various pricing grids, which includes information on potential revenues per show and per series if all tickets are sold. This feature will allow the user to see if the initially entered prices can reasonably result in breakeven.

Finally, the system will allow the user to estimate demand for tickets in each category and review the effects of these estimates on revenue and breakeven.

The process may be repeated any number of times.

Printing of Tables

The user will be able to obtain printed output of any of the various tables displayed during system execution. The system will be designed to handle

up to fifteen events in total,
up to 3 mini-series within these events,
up to 7 price categories, and
up to 5 levels of subscription discounts.

The system will be designed to run on an IBM/PC using a single double-sided floppy disk drive.

Uppgifter:

Gör en fullständig SA model för ovanstående problem, dvs

kontextdiagram,
dataflödesdiagram på olika nivåer (DFD hierarki),
datalexikon och
processspecifikationer (PSPECs) för varje atomar process.

Information om SA, DFD osv hittas i kursboken (avsnitt 4.5, sid 162-163 och 4.12, sid 184-185) och på föreläsningens OH-bilder.