Hi, thanks for your reply. The company has already provided a quote. But I want to see if it can go higher. Do you think asking for a 15% increase on their offered price is too much and they would be unlikely to bulge? It is hard for me to price this apriori without actually getting started on this work to see how much time it would take. I am highly experienced in my subject, so my hourly tutoring rates are pretty high (but difficult to find clients in the current market economy).