The TerminatorÂ® Tooth is excellent in hard and mixed rocky soils as well as cutting tree roots and other underground objects. Rock & Frost. Use conical carbides (bullet teeth) to penetrate and fracture rock or very hard soils. Carbides are self-sharpening so long as they are able to turn in the holder.
Definite life assets (long-term depreciated assets) may also need to be tested for impairment when there is an internal or external indication that these assets might be worth less than their Carrying Amount. I was asked a number of years ago to look at the value of a clientâs inland barges.
Dual-Purpose Tests â A dual purpose test is when the auditor reperforms a control procedure and gathers evidence to determine whether the control is working and if the account balance is correct 9. A Word of Caution About Internal Controls â Inherent Limitations of Internal Controls (Slide # 9) â When the auditor performs tests of controls, the tests only determine whether the control is present.