Suppose the Following Equation Best Describes the Evolution of β

Suppose the following equation best describes the evolution of β over time: β_t = 0.3 + 0.2β_{t - 1}
If a stock had a β of 0.8 last year, you would forecast the β to be _______ in the coming year.

A) 0.46
B) 0.60
C) 0.70
D) 0.94