You are trying to decide between two mobile phone carriers. Carrier A requires you to pay $$195$ for the phone and then monthly charges of $$54$ for $24$ months. Carrier B wants you to pay $$90$ for the

phone and monthly charges of $$72$ for $12$ months. Assume you will keep replacing the phone after your contract expires. Your cost of capital is $3\mathrm{.}6\%$ APR, compounded monthly. Based on

cost alone, which carrier should you choose?

The EAA for plan A is $$-62\mathrm{.}43.($Round to the nearest cent.$)$

The EAA for plan $B$ is $$,($Round to the nearest cent.$)$