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Required information

No Train No Gain is a seller of model train sets. Its only sale for the month was on March $27$ th when it sold $140$ train sets for $$240$ each. Its inventory acquisitions for the month of March are as follows:

$\backslash$table$[[$Date$,$Transaction,# Units,Price per train set$],[$March $1,$Beginning Inventory,$110,$$$115],[$March $11,$Purchase,$50,$$$120$