12. The costs of services may be estimated as: i . a basis of setting prices. ii. a basis to determine which services to promote. iii. a basis of cost control. iv . an alternative to actual cost analysis. A. i, ii, iii and iv B. i, ii and iii C. ii, iii and iv LicGa D. i, iii and iv goce uop cougtojestice-blognep wix