This question can be answered using Rule 70. It is a rule that it used to estimate how long it takes for an investment to double in value. In this case, the investment is land and the rate is 10.5%.
Formula for rule 70;
Time it takes for value to double = 70/rate
Time it takes for value to double = 70/10.5
Time = 6.6666
To the nearest 1 decimal place, it would take 6.7 years
Based on the scenario being described it can be said that Ziva's feelings toward her organization are best characterized as Continuance commitment. This term refers to high degree which an individual believes will cost them greatly if they leave the organization which they have been with for a while. Such as in this case, to Ziva her continuance commitment to her current company is worth more than $65,000.