UK’s Sunak says deal to be done on tax at G7, but tech must pay fair share

British finance minister Rishi Sunak said there was a deal to be done with the United States on tax but big tech firms would have to pay their fair share in return for British backing for Washington’s corporation tax proposals.

The United States has proposed a global minimum corporation tax rate of 15%, well below G7 levels, but above those in some countries such as Ireland. But Britain remains…