Sore Throat. Initial symptoms of mononucleosis include a sore throat that worsens over a few days. White patches may cover the tonsils, according to Medline Plus. The sore throat symptoms may mimic a bacterial strep throat infection, but antibiotics will not improve the condition.
The most important difference between sale and agreement to sell is A contract of sale is an example of Executed Contract whereas the Agreement to Sell is an example of Executory Contract.
1 Purchase Order is created by the buyer while the seller creates an invoice. 2  Purchase Order is issued to the seller whereas Sales Order is issued to the buyer.  The Purchase Order contains only purchase order number while invoice includes both purchase order number and invoice number.