1. Joe is a voluntary club administrator and he has a responsibility of organising a sporting event. This event requires the expenditure of the following amounts: Venue Hire N$400.00 N$300.00 Advertising and Promotion Costs Trophies Telephone, Postage and Stationery N$200.00 N$100.00 These amounts will be spend no matter how many people turn up to the event. At the event, however, there will be other costs which will be dependant upon the number of people who turn up and participate. These costs are as follows: Each competitor will receive Food and drink per competitor N$10.00 Hat per competitor NS 5.00 The competition entry price is N$20.00 per participant Required: Calculate the minimum number of participants Joe needs so that the event does not lose money