The drinks giant said it believes its current plans will mitigate around half of the impact of these higher costs.
Prosus is set to become the fourth largest food delivery group in the world following the takeover.
Workplace frustrations can escalate if left unresolved
The King and Queen and celebrities will get a first glimpse of this year’s world-famous horticultural event on Monday.
Centrica has said it remains in talks with ministers about Government cooperation to expand and revamp its Rough facility.
The campaign is a response to a challenge set by the King on his 75th birthday.