If a patient is able to achieve the target heart rate, a regular treadmill stress test is capable of diagnosing important disease in approximately 67% or 2/3 rd of patients with coronary artery disease.
Negotiation is an important part of the role of the purchasing professional. It is a skill that is learnt and training can help purchasing staff in understanding what is needed when negotiating with vendors.
If a negotiation starts with one party suggesting a price or condition, then the other party is likely to base their counter-offer relative to this given anchor. So start a good way from your real position (but beware of over-doing this). When giving choices, put the ones you want them to choose at the beginning.