I have a problem in economics on Right-to-Work Laws. Please help me in the following question. The supporters of unions might complain that right to work laws frequently permit non-union workers to: (i) ‘Free-ride’ by enjoying the union-negotiated advantages without paying the union dues. (ii) Open shop. (iii) Union shop. (iv) Become ‘scabs’ if union workers are engaged in the jurisdictional strikes.