Shanul and David invested 2000 and 3000 in a shop and made a profit of 1800 in the business. How should they distribute the profit? Find their shares.
a) Shanul: 800, David: 1000
b) Shanul: 600, David: 1200
c) Shanul: 1000, David: 800
d) Shanul: 1200, David: 600