Which of the following arranges the silver halides in decreasing order of solubility in aqueous ammonia (of the same concentration)?

1. A$\mathrm{AgBr}>\mathrm{AgCl}>\mathrm{AgI}$
2. B$\mathrm{AgI}>\mathrm{AgBr}>\mathrm{AgCl}$
3. C$\mathrm{AgCl}>\mathrm{AgI}>\mathrm{AgBr}$
4. D$\mathrm{AgCl}>\mathrm{AgBr}>\mathrm{AgI}$