In a survey of 250 employees of a company regarding their 401(K) investments, the following data were obtained. 140 had investments in stock funds. 92 had investments in bond funds. 72 had investments in money market funds. 47 had investments in stock funds and bond funds. 35 had investments in stock funds and money market funds. 38 had investments in bond funds and money market funds. 52 had investments exclusively in some other vehicle. (a) How many of the employees surveyed had investments in all three types of funds? employees (b) How many of the employees had investments in stock funds only? employees