pre_text: The assumptions used to calculate these amounts for fiscal 2019 are set forth under Note 16 of the Notes to Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for fiscal year 2019 filed with the SEC on August 27, 2019. (2) Amounts shown do not reflect compensation actually received by the NEO. Instead, the amounts shown in this column represent the grant date fair values of stock options issued pursuant to the Company’s 2003 Equity Incentive Plan and certain inducement grants, computed in accordance with FASB ASC Topic 718. The assumptions used to calculate these amounts for fiscal 2019 are set forth under Note 16 of the Notes to Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for fiscal year 2019 filed with the SEC on August 27, 2019. (3) All non-equity incentive plan compensation was paid pursuant to the Variable Pay Plan. (4) The amounts in the “All Other Compensation” column for fiscal 2019 include: $4,000 401(k) matching contribution by the Company for each NEOs other than Mr. McNab. (5) The Compensation Committee awarded Mr. Maletira a one-time discretionary bonus in the amount of $180,000 in connection with his work on the AvComm and Wireless acquisition. Please see “Discretionary Bonuses” under the Compensation Discussion and Analysis on page 36 of this proxy statement. (6) Mr. Staley was awarded a $60,000 sign-on bonus when he joined the Company in February 2017. The amounts in the salary, bonus, and non-equity incentive plan compensation columns of the Summary Compensation Table reflect actual amounts paid for the relevant years, while the amounts in the stock awards column reflect accounting values. The tables entitled “Outstanding Equity Awards at Fiscal Year-End Table” and “Option Exercises and Stock Vested Table” provide further information on the named executive officers’ potential realizable value and actual value realized with respect to their equity awards. The Summary Compensation Table should be read in conjunction with the Compensation Discussion and Analysis and the subsequent tables and narrative descriptions.
table: Name Fiscal Year Maximum Possible Value of MSUs Using Grant Date Fair Value Maximum Possible Value of PSUs Using Grant Date Fair Value
table: Oleg Khaykin 2019 4,067,526 —
table: 2018 2,457,750 909,900
table: 2017 659,618 —
table: Amar Maletira 2019 1,379,350 —
table: 2018 1,015,870 454,950
table: 2017 574,500 —
table: Paul McNab 2019 591,150 —
table: 2018 442,395 —
table: 2017 373,425 —
table: Luke Scrivanich 2019 591,150 —
table: 2018 442,395 —
table: 2017 393,600 —
table: Gary Staley 2019 591,150 —
table: 2018 943,527 —
table: 2017 303,948 —
question: Analyse this data from a financial earnings document. What is the difference between the maximum possible value of PSUs in 2018 between Oleg Khaykin and Amar Maletira?