Gnp, Gic —> Giv

(A)

Gnp= +5%, Gic= +10%,

Giv

= 100×((1+0.05)^2÷(1+0.10)-1)

= 0.2272727273%

.

(B)

Gnp= +10%, Gic= +10%,

Giv

= 100×((1+0.10)^2÷(1+0.10)-1)

= 10%

.

(C)

Gnp= -10%, Gic= +10%,

Giv

= 100×((1-0.10)^2÷(1+0.10)-1)

= -26.3636363636 %