19. Reggie is starting his "rent-a-bicycle” business. He is planning to charge Php 50 to rent a bicycle plus Php 10 per hour of rental. If you will use a linear equation to model the situation, what is the slope and what does it represent? A. slope=10, it represents the initial cost B. slope=10, it represents the charge per hour C. slope=50, it represents the initial cost D. slope=50, it represents the charge per hour​