Audrey and her mother are planning for a debut party.Audrey suggested that she wants to celebrate her birthday at jardin De Emilia Hall . The reception hall costs a flat rate of P2000.00 and an additional rental fee of P50.00 per guest.If their budget for hall expenses is limited at P10,00.00 Which of the following is the cost as a function of the number of guests? a.y=2000+50x b.y=2000-50x c.y=50+2000x d.y=50-2000x