Hire purchase accounting

But really why do you wish to differentiate between these and the other sums you have mentioned? Shouldnot you just try to grasp as many topics and practice them all for your exams. If not your exams, then this practice will definitely help in your career. Even if you do not have time, there are ways to logically understand a topic and get by with a little less practice, but in any case just go ahead and tackle these problems as well. All the best.