Use the data given below to answer the following question(s).

Employee Name	Country	Gender	Grade	Pay Scale
Maria	China	Female	2	B
Peter	North America	Male	2	E
George	Spain	Male	3	D
Smith	South Africa	Female	1	C
Johnson	Netherlands	Male	4	E
Thompson	China	Male	3	A
Martinez	Netherlands	Male	4	D
Lewis	North America	Female	4	A
Lee	South Africa	Male	1	B
Taylor	China	Female	2	B
Carter	China	Male	1	C
Edwards	Spain	Male	3	E
Bailey	North America	Male	1	A
Cooper	North America	Male	1	B
Bill	Netherlands	Male	3	C
Cox	China	Male	2	A
Perry	Spain	Female	1	B
Flores	Netherlands	Female	1	C
Woods	North America	Male	4	B
Cole	China	Female	4	D

What is the cumulative relative frequency of employees on the 'A to C' pay scale?

		0.15
		0.5
		1/5
		7/10