On 7 December , your vessel's 0835 zone time DR position is LAT 28°30.0'N, LONG 125°39.3'W, when an azimuth of the Sun is observed. The chronometer time of the sight is 04h 34m 48s, and the Sun is bearing 113° per standard magnetic compass. The chronometer error is 01m 24s slow, and the variation in the area is 13.0°E. What is the deviation of the standard magnetic compass?
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