Use proximate date payment terms when you want the transaction due date to be on the same date of the month regardless of the invoice date. You specify the number of months to add to the invoice date and the date in that month on which the transaction is due.se net payment terms to specify the due date of the transaction by adding some number of days to the invoice date of the transaction. Assume that you specify net 30 days to pay and you enter a transaction with an invoice date of June 14. The system calculates the due date as July 14.
Tank. Tanks were used for the first time in the First World War at the Battle of the Somme. They were developed to cope with the conditions on the Western Front. The first tank was called 'Little Willie' and needed a crew of 3.
War in the Air. World War I was the first war where the airplane was used. Initially, airplanes were used to observe enemy troops. However, by the end of the war they were used to drop bombs on troops and cities. They also had mounted machine guns that were used to shoot down other planes.anks were first introduced in World War I. These armored vehicles were used to cross No Man's Land between the trenches. They had mounted machine guns and cannon. The first tanks were unreliable and hard to steer, however, they became more effective by the end of the war.