S$7-1.$ Compute unit contribution margin and contribution margin ratio $($Learning Objective $1)$

Use the information from the FunTime Cruiseline Data Set to compute the following:

a$.$ What is the contribution margin per passenger?

b$.$ What is the contribution margin ratio?

c$.$ Use the unit contribution margin to project operating income if monthly sales total $17,000$ passengers.

d$.$ Use the contribution margin ratio to project operating income if monthly sales revenue totals $$595,000.$