yes, inherit also kena.
Must be five years and 1 day then only you can escape.

as for calculate go google for the table ,
good luck

nope, they will use your papa's purchase price.
nothing runs away from them, use logic.
What you think of they have done R&D
so its gonna be taxed all angled.

but you can acculate all the cost your papa and you have done with the land , i.e maintenance , repair , reno, loyar fee , agent fee etc etc this can bring down the cost.