Based on the information given, it can be deduced that the markup of the birdhouse is 150%.
From the question given, it was stated that Max's Woodworking $16 to build each birdhouse and that he sold the birdhouses for $40.
Therefore, the markup percentage will be:
= (40 - 16)/16 × 100
= 24/16 × 100
= 150%
Therefore, the markup is 150%.
Learn more about equations on:
https://brainly.com/question/13763238
