Nike's shift to use its technical expertise to develop Personal Protective Equipment $($PPE$)$ when the Covid$-19$ crisis hit was an example of which crisis$-$management guideline?

a$.$

Value: Put forth the most compelling value proposition.

b$.$

Promotion: View the crisis as an opportunity to demonstrate expertise.

c$.$

Vision: Convince investors that the company is staying true to its long$-$term plans.

d$.$

Empathy: Get even closer to consumers and customers.

e$.$

Strategy: Be authentic and true to the brand promise.