Emma the owner of the company, University of Essex International College. She ordered 300 whiteboard markers for her staff and emailed Steadler Ltd. They agreed for 300 pounds. Emma said to deliver the order as soon as possible. However, the message arrived late because of internet issues. Now, Steadler ltd asking 450 pounds for 300 whiteboard marker relying on the inflation rate.

Advise Emma if Steadler ltd contractually bound to offer her 300 markers for 300 pounds?

What remedies available for Emma?