Britain's Chancellor of the Exchequer George Osborne speaks to workers during a visit to the Britvic manufacturing plant near Leeds in northern England April 1, 2015. REUTERS/Leon Neal/pool 

Britain's Chancellor of the Exchequer George Osborne speaks to workers during a visit to the Britvic manufacturing plant near Leeds in northern England April 1, 2015. REUTERS/Leon Neal/pool 

Britain's Chancellor of the Exchequer George Osborne speaks to workers during a visit to the Britvic manufacturing plant near Leeds in northern England April 1, 2015. REUTERS/Leon Neal/pool 

Britain's Chancellor of the Exchequer George Osborne speaks to workers during a visit to the Britvic manufacturing plant near Leeds in northern England April 1, 2015. REUTERS/Leon Neal/pool 

Britain's Chancellor of the Exchequer George Osborne speaks to workers during a visit to the Britvic manufacturing plant near Leeds in northern England April 1, 2015. REUTERS/Leon Neal/pool 

Britain's Chancellor of the Exchequer George Osborne speaks to workers during a visit to the Britvic manufacturing plant near Leeds in northern England April 1, 2015. REUTERS/Leon Neal/pool 

Britain's Chancellor of the Exchequer George Osborne (L) holds a box of lemonade concentrate as he tours the Britvic manufacturing plant near Leeds in northern England April 1, 2015. REUTERS/Leon Neal/pool

Britain's Chancellor of the Exchequer George Osborne (L) holds a box of lemonade concentrate as he tours the Britvic manufacturing plant near Leeds in northern England April 1, 2015. REUTERS/Leon Neal/pool

Britain's Chancellor of the Exchequer George Osborne (L) holds a box of lemonade concentrate as he tours the Britvic manufacturing plant near Leeds in northern England April 1, 2015. REUTERS/Leon Neal/pool

Britain's Chancellor of the Exchequer George Osborne (L) tours the Britvic manufacturing plant near Leeds in northern England April 1, 2015. REUTERS/Leon Neal/pool 

Britain's Chancellor of the Exchequer George Osborne tours the Britvic manufacturing plant near Leeds in northern England April 1, 2015. REUTERS/Leon Neal/pool 

Britain's Chancellor of the Exchequer George Osborne tours the Britvic manufacturing plant near Leeds in northern England April 1, 2015. REUTERS/Leon Neal/pool 

Britain's Chancellor of the Exchequer George Osborne (L) holds a box of lemonade concentrate as he tours the Britvic manufacturing plant near Leeds in northern England April 1, 2015. REUTERS/Phil Noble

Britain's Chancellor of the Exchequer George Osborne speaks to workers during a visit to the Britvic manufacturing plant near Leeds in northern England April 1, 2015. REUTERS/Phil Noble

Britain's Chancellor of the Exchequer George Osborne speaks to workers during a visit to the Britvic manufacturing plant near Leeds in northern England April 1, 2015. REUTERS/Phil Noble

Britain's Chancellor of the Exchequer George Osborne speaks to workers during a visit to the Britvic manufacturing plant near Leeds in northern England April 1, 2015. REUTERS/Phil Noble

Britain's Chancellor of the Exchequer George Osborne speaks to workers during a visit to the Britvic manufacturing plant near Leeds in northern England April 1, 2015. REUTERS/Phil Noble

Britain's Chancellor of the Exchequer George Osborne speaks to workers during a visit to the Britvic manufacturing plant near Leeds in northern England April 1, 2015. REUTERS/Phil Noble

Bottles of soft drinks made by drinks company Britvic sit on a conveyor belt at Britvic's bottling plant in London March 25, 2009. REUTERS/Luke MacGregor (BRITAIN BUSINESS) 

A worker walks through machinery at drinks company Britvic's bottling plant in London March 25, 2009. REUTERS/Luke MacGregor (BRITAIN BUSINESS) 

Bottles of R Whites lemonade, made by soft drinks company Britvic, sit on a conveyor belt at Britvic's bottling plant in London March 25, 2009. REUTERS/Luke MacGregor (BRITAIN BUSINESS) 

A worker walks through machinery at drinks company Britvic's bottling plant in London March 25, 2009. REUTERS/Luke MacGregor (BRITAIN BUSINESS) 

Pepsi bottles sit on a conveyor belt at drinks company Britvic's bottling plant in London March 25, 2009. REUTERS/Luke MacGregor (BRITAIN BUSINESS) 

Britain's Queen Elizabeth is shown around drinks manufacturer Britvic's bottling plant in east London March 25, 2009. REUTERS/Luke MacGregor (BRITAIN ROYALS) 

Britain's Queen Elizabeth (R) is shown around drinks manufacturer Britvic's bottling plant in east London March 25, 2009. REUTERS/Luke MacGregor (BRITAIN ROYALS) 

Britain's Queen Elizabeth smiles during a visit to drinks company Britvic's bottling plant in east London March 25, 2009. REUTERS/Luke MacGregor (BRITAIN HEADSHOT ROYALS) 

Britain's Queen Elizabeth smiles during a visit to drinks company Britvic's bottling plant in east London March 25, 2009. REUTERS/Luke MacGregor (BRITAIN BUSINESS HEADSHOT ROYALS)