Trigonometric Leveling $-$ correct for curvature and refraction

Elevation of Point $A=614\mathrm{.}37$

Zenith angle from Point $A$ to Point $B=84-{222}^{\text{'}}-{15}^{\text{'}\text{'}}$

Slope distance from Point A to Point B $=1,660\mathrm{.}00$

What is the elevation of Point B$?$

answer to $2$ nd decimal place

example answer $200\mathrm{.}87-$ don't enter units