Solution:
Solutions: Total buying cost of land and car = 320000 + 180000 = 500000
cost of plot after 3 years = 180000 x 1.3 x 1.3 x 1.3
= 395460
cost of car after 3 years = 320000 x 0.80 x 0.85 x 0.85
= 184960
Total cost of plot and car after 3 years = 395460 + 184960
= 580420
Profit = 580420 - 500000
= 80420
