For this case we must indicate the inequality represented in the graph.
It is noted that we have a closed point at -1, so the inequality at that point contains equality and is represented by "[". On the other hand, we observe an open point at +3, so inequality does not include equality (does not include +3) and is represented as ")".
The total price would be $73.66. If you can't tell, I determined the sales tax and tip by making the percent into a decimal (20% is 0.20, 7% 0.07, etc) and multiplied each onw by the original price, then added my tax and tip to the original price.