Of the families in City X in 1994, 35 percent owned a personal computer. The number of families in City X owning a computer in 1998 was 20 percent greater than it was in 1994, and the total number of families in City X was 4 percent greater in 1998 than it was in 1994. what percent of the families in City X owned a personal computer in 1998?
Choose the most appropriate option: A) 50.12 % B) 40.52 % C) 40.56 % D) 40.38 % E) 40.14 %

Rationale: "say a 100 families existed in 1994 then the number of families owning a computer in 1994 - 40 number of families owning computer in 1998 = 35 * 120 / 100 = 42 number of families in 1998 = 104 the percentage = 42 / 104 * 100 = 40.38 % . option : d"
Answer: D