You paid how much in total for your textbook (serway and vuille) and access to webassign? (there is no correct just a survey. however, you will get 1 point for answering it.)a. under $80 also, this book covers (a) both 2a and 2b (b) only 2ab. $80-$100 also, this book covers (a) both 2a and 2b (b) only 2ac. $100 - $120 also, this book covers (a) both 2a and 2b (b) only 2ad. $120 - $140 also, this book covers (a) both 2a and 2b (b) only 2ae. over $140 also, this book covers (a) both 2a and 2b (b) only 2a