On January 1, 2018, Riverbed Property Management Inc. introduced a stock-based compensation plan for its senior executives. The company has a December 31, 2018 year-end and the following events occurred:

		January 1, 2018 The company issued 273,000 options to senior management executives for the purchase of shares at $9 / share. The fair value of the options using an options pricing model is $1,911,000. Options vest over a three-year period and it is estimated that 90% of the options will vest. At the end of 2021, any unexercised options will expire.
		December 31, 2018 Management now estimates that 85% of the options will vest.
		December 31, 2019 Management now estimates that 80% of the options will vest.
		January 1, 2021 91,000 options are exercised when the market price is $14 / share.

Record the journal entries associated with the above transactions including any necessary entry at December 31, 2021. (Credit account titles are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter 0 for the amounts.)

Date	Account Titles and Explanation	Debit	Credit
January 1, 2018
December 31, 2018
December 31, 2019
December 31, 2020
January 1, 2021
December 31, 2021

Please answer asap!!!!