We learned that in a medical/health application, a 'positive' class is considered more important and should have a higher misclassification cost than a 'negative' class. Based on this consideration, which of the following statements is correct?

a.True positive rate is more important than false negative rate.

b.True negative rate is more important than false positive rate.

c.False positive rate is more important than false negative rate.

d.False negative rate is more important than false positive rate.