Mateo works as a maintenance contractor for an old age home. Under what condition would he be considered self$-$employed?Mateo buys and maintains all of the tools for fixing the building.Mateo is dispatched to fix things in the building by the old age home manager.Mateo has no one working under him or for him.Mateo gets a bonus when he comes up with ways for the old age the costs of maintenance.Mateo attends training on communication and risk management at the same time and location as employees in the old age home.