Answer: 17.7 Years
Explanation:
YEARFRAC is a function in Microsoft Excel that returns the year fraction representing the number of whole days between a particular start date and an end date.
A typical view of the function is:
=YEARFRAC(start_date, end_date, [basis])
All that needs to be done is
1. Type in the equal to sign(=) in the cell you want your answer,
2. Type in YEARFRAC and open your bracket,
3. Input your start date and end date, close your bracket and press enter.
