If wages are paid to a resident pursuant to section 218.42, the administrator in control of an institution listed in section 218.1 may pay all or any part of the wages directly to any dependent of the resident. The administrator may also deposit the wages to the account of the resident, or may so deposit part of the wages and allow the resident a portion for the resident’s own personal use, or may pay to the county of commitment all or any part of the resident’s care, treatment, or subsistence while at said institution from any credit balance accruing to the account of the resident.