References. 1  Mahtani KR, et al. Vitamin K for improved anticoagulation control in patients receiving warfarin (review). 2  Ge B, et al. Updates on the clinical evidenced herb-warfarin interactions. 3  Chang C-H, et al. A practical approach to minimize the interaction of dietary vitamin K with warfarin. 4  Hull RD, et al.
Buyer has an Option Period, usually 7 to 10 days, to examine the property and conduct whatever other due diligence buyer deems appropriate. During this Option Period, the ball is entirely in the buyerâs court. If the buyer does not terminate prior to the end of the Option Period, the deal continues unchanged.
The economic value of waiting can, in principle, be calculated and compared to the economic value of the project (net of the waiting option value). Thus, option value considerations can affect the timing, as well as the nature and scale, of adaptation initiatives.