We Are Humber Tech Store is considering starting either a small, regular, or large tech store in Etobicoke. Depending on their research findings, they may also decide not to open any store at all. The type of store they open depends on the citys market potential which may be high, medium, or low. The potential profits in each case are shown in the payoff table below (in $'000):

High Medium Low

small 280 230 20

Regular 430 430 -100

Large 570 330 -180

None 0 0 0

The minimax regret decision is ?

to open a small store

open a regular store

open a large store

open no store

choose high market

choose medium market

choose low market