1. 1. Liens perfected under this chapter have priority in the following order:

1. a. For manual labor.

2. b. For materials.

3. c. Subcontractors other than manual laborers.

4. d. Original contractors.

2. 2. Liens for manual labor filed within the ninety-day period must share ratably in the security. Liens for manual labor filed after the ninety-day period have priority in the order of the filing of such liens. Liens for materials filed within the ninety-day period must share ratably in the security and liens filed after the ninety-day period have priority in the order of the filing of such liens.