(a) $102,504.94

Calculation:  
PV = 25,000 × [1 − (1.07)^−5] / 0.07  
(1.07)^5 = 1.4025517307  
(1.07)^−5 = 0.7129861795  
1 − 0.7129861795 = 0.2870138205  
0.2870138205 / 0.07 = 4.1001974357  
25,000 × 4.1001974357 = 102,504.9358925 (rounds to 102,504.94)

(b) $102,504.94

AASB 16