Help analyzing an apartment complex for purchase consideration

[Keith Lanier]

16 Units, Fully occupied, Long term tenants/renters, All the units are in solid condition, could use added value, with minor upgrades, I want to know how to determine the Cash on Cash, and NOI, Capitalization Rate, Gross Rent Multiplier the income annually is just over $125K about $10.400 a month a Door, what else is needed to determine the current market value? thanks in advance that anyone that can help?

Is desktop appraisals still used?

thanks again