Select the action from the options below that will NOT apply to a secondary external stakeholder group attempting to influence the strategy of an organisation.$($a$)$ Implementing an increase in minimum wages for workers.$($b$)$ An increase in value added tax.$($c$)$ An increase of the interest rate on a loan agreement or denial of credit to an organisation when a specific organisation does not comply to their loan agreement due to cash flow constraints.$($d$)$ An increase in the allowable tax deduction granted for installing solar energy systems by households and industries.