I am working on getting pavers installation for a customer - I will be installing front entrance with two separate entrance(2 steps) and back patio(40'x40') and edges abound the driveway. I don't have a exact sqft but it will be close to 3000 sqft. patio will have two levels. I will be responsible pavers installation with base of 6"-8". Customer will buy their own pavers and stones(all materials). What should i quote. Thanks.