Custom Bicycle Painting Multiple Choice Question?

Multiple choice question? - custom bicycle painting

Shane is to order a custom bike. It offers 5 different ways for the seat cushion, 6 options for tires and 3 different options for the handlebars, and 10 different options for painting. When Shane is a selection from each category, how many different configurations are possible bike?

A. 24, 900
C. 90 D. 140