If ‘i' is the rate of interest expressed in decimal and ‘n’ is the number of years, then coefficient of annual sinking find, Ic is
1
\({I_c} = \frac{{\left[ {{{\left( {1 + i} \right)}^n} - 1} \right]}}{{\left( {1 + i} \right) - 1}}\)
2
\({I_c} = \frac{i}{{{{\left( {1 + i} \right)}^n} - 1}}\)
3
\({I_c} = \frac{i}{{{{\left( {1 - i} \right)}^n} + 1}}\)
4
\({I_c} = \frac{i}{{{{\left( {1 + i} \right)}^n} + 1}}\)