This 24th edition has been not only completely revised but re-illustrated throughout. Due to the significant fluctutations in comparative foreign exchange rates, currency conversions have been converted at the rate ruling at the time of the event or record. To indicate this the word "then" has been inserted before the relevant conversions.
Many students who take this course do not plan to be accountants. If You are in that group, you might be thinking, if i'm not going to be an accountant