Question
The book fair sponsor sells books to children which are written to capture their interest. There are three different type of books : short stories, science, history books in three packages sold at prices of $ 400 , $200 , $ 250 for Pack 1 , Pack 2 , Pack 3 respectively. Sales in three packs are given in table as
Pack-1 Pack-2 Pack-3
short stories 600 500 300
science 300 450 300
history 100 50 400
What is total revenue from sale of short stories books, science books, and history books?