Hello, I need help with 2 questions, thank you!

1)

2)

Crane Bikes manufactures three types of bike tires: the Pro, the Velo Road and the Diamond Back. Projected sales for the next period are 20992 Pro tires, 20992 Velo Road tires and 23616 Diamond Back tires. The sales mix for Velo Road tires is 32.00%.64.0%50%.25%. Crane Company has sales of $1400000, variable costs of $400000, and fixed costs of $550000. Crane's margin of safety ratio is 55%. 130%. 45%. 82%