The task is to find the largest input voltage without creating distortion(clipping)

There is an op-amp circuit where the input is on the non-inverting input and +15V and -15V on the repective rails.

Ri= 680ohm

Rf=4.7Kohm

R(load)=10Kohm

Limits- Isc=25mA GBW=1Mhz, Slew Rate= 0.5v/uSec

When I calculate I get these answers... Gain =Rf/Ri+1 =7.91

since Isc and the slew rate limits are well below the limits of 28v by the rails I use them as my limit.

therefor I calculate the limit by the rails by dividing the rails max -2 dividing by the gain

so 28vp-p/7.91=3.54Vmax.

But for some reason the book says the answer is 4vp-p.

any help or confirmation of my answer is appreciated.