Find the best solutions to your questions at Westonci.ca, the premier Q&A platform with a community of knowledgeable experts. Experience the convenience of finding accurate answers to your questions from knowledgeable professionals on our platform. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

Lincoln School is raising money for a class trip by setting magazines. The school receives a percentage of each participant's sales based on a 3-tier schedule as follows:
30% for the first $50 of each participant's sales
40% for the next 450 of each participant's sales
50% for all additional sales
Cody participated in the fund-raiser and had magazine sales of $140. How much did Cody earn for school?