unhill Developments Ltd ('Bunhill') recently entered into a building contract with Gresham Construction Ltd ('Gresham") (the 'Building Contract'). The following events occurred on the dates stated: June 1 As security for a loan from Premier Bank PLC ('Premier'), Bunhill assigned its rights under the Building Contract to Premier. June 4 As security for a loan from Speedy Finance PLC ('Speedy'), Bunhill made a further assignment of its rights under the Building Contract to Speedy. June 6 Speedy gave notice to Gresham of the assignment to it. June 8 Premier registered its security at Companies House, at which point Speedy became aware of the assignment to Premier. June 25 Speedy registered its security at Companies House, at which point Premier became aware of the assignment to Speedy. June 26 Premier gave notice to Gresham of the assignment to it.

Which ONE of the following CORRECTLY explains which assignee will have priority over Bunhill's rights under the Building Contract in the event of Bunhill's insolvency?

A Premier, because assignments rank in the order of their creation.

B Premier, because it was the first to register its security with the Registrar of Companies.

C Premier, because Speedy failed to register its security within the prescribed time period.

D Speedy, because it was the first to give notice to Gresham of the assignment to it.