Odpowiedź :
Odpowiedź:
a) PN = U-Z = 10 000 - 12 000 = -2 000
b) SM = I-E = 3 000 - 500 = 2 500
c) PR = PN + SM = -2000 + 2500 = 500
Wyjaśnienie:
a) PN = U-Z = 10,000 - 12,000 = -2,000 b) SM = 1-E = 3,000 - 500 = 2,500
c) PR = PN + SM = -2,000 + 2,500 = 500
c) PR = PN + SM = -2,000 + 2,500 = 500