Would you mind to help me answer a and b

Green Company bought equipment on 1/1/14 for $90,000 with a $10,00o estimated salvage value after a 10-year useful life. On 1/1/14, Green debited an expense account and credited cash. Green would have used straight-line depreciation if this item had been properly recorded. Green discovered this error in 2018, after the books were closed for 2017. This error did not impact the tax return or taxes paid, which were prepared correctly Grsn.creported retained earnings of $250,000 at 12/31/16, and 2017 net income was reported at 115,000. et income in 2018, before considering depreciation on the truck, was $135,000. een's tax rate was 40%. Dividends declared were $30,000 in 2017 and $40,000 in 2018. (10 points)Prepare the journal entry to correct the error in 2018. Prepare a retained earnings statement for Green for 2013