I thinkthat JRD is probably correct and the OP is trying for a captains license or taking Coastal Nav from ASA which is I think more difficult. It is all fine to suggest that he just look at it or use his GPS, but that does not answer his question.
Leeway and current set can be calculated. I suggest Pyzel's Coastal Navigation book which is used for ASA. I took the course but lent the book to someone and have never gotten it back. I admit that I do just look at it and use my GPS, but also keep paper charts and plot for the practice. I just don't worry about Leeway or set as usually my next mark is not more than 50 miles away.
OP, know that there are some incorrect answers in both Pyzel and the USCG books, as well as many of the ASA books.