Monday Corporation sponsors a defined benefit pension plan and reports under IFRS. On January 1, 2017, the company reported plan assets of $1,000 and a defined benefit obligation of $1,100 (all amounts in thousands of dollars). During 2017, the current service cost was determined to be $90, the discount rate on the DBO and plan assets was 6%, while the actual return on the plan assets for the year was $55. Monday made contributions of $92 into the plan at the end of the year and the benefits paid amounted to $64. The plan was amended effective December 31, 2017, with the cost of the past service benefits granted being $40. Determine the deficit of the pension plan at January 1, 2017 and calculate its December 31, 2017 deficit balance directly, by identifying which 2017 pension events increased the deficit, which decreased it, and which had no effect.