138 On 2 January you observe the lower limb of the Sun at a sextant altitude (hs) of 35°50.4'. The index error is 0.8' on the arc. The height of eye is 24 feet (7.3 meters). What is the observed altitude (Ho)?

A. 35°50.3'
B. 35°54.7'
C. 35°59.7'
D. 36°05.6'