If such sale involves a property interest for which a deed is required the director shall as soon as practicable after said sale is made, furnish the purchaser an abstract of title to the property purchased, at purchaser’s expense and the purchaser shall have twenty (20) days in which to have said abstract examined. If any defects be found in the title, said director shall, and is hereby authorized to do all things necessary in order to make said title merchantable. Within ten (10) days after the expiration of the twenty (20) days above provided for the examination of the abstract, if said abstract shows a merchantable title, upon payment by the purchaser of the entire purchase price as determined in Kan. Stat. Ann. § 75-3791, a deed conveying the property purchased to the purchaser shall be executed and delivered to said purchaser.