The Table Below Provides Hypothetical Unemployment,employment,and Labour Force Data for a Small

The table below provides hypothetical unemployment,employment,and labour force data for a small economy over a 3-month period.The unemployment rate on January 1 is 6%.
TABLE 30-1
-Refer to Table 30-1.Between February 1 and March 1 the stock of unemployment remained stable at 750,and the unemployment rate ________ because ________.

A) decreased; the labour force grew by 600
B) decreased; the labour force shrank by 600
C) remained stable; the stock of unemployment did not change
D) increased; the labour force grew by 600
E) increased; the labour force shrank by 600