Erercise 3 The following information is needed to reconcile the cash balance for Fire Steel Inc. - A deposit of 5800 is in transit. - Outstanding checks total $11,760 - The book balance is $6,800 at Februury 28, 2013. - The bank balanee at February 28,2013 was $18,000. - A deposit of $400 was credited by the bank for $4,400. - A customer's check for $3,700 was returned for nonsufficient funds. - The bank service charge is $60. What was the adjusted book balance? Extra Credif A machine was nequired for $12,000 and its residual value is $2,000. The machine is estimated to have a useful life of 1000 hours. 1) the machines depreciable cost (base) = 2) the machine depreciation rate per unit = 3) the current deprecation assuming the machine was operated for 400 hours during the ycar =