An election is held among four candidates (A, B, C, and D) using the Borda count method. There are 30 voters. If candidate A received 93 points and candidate B received 57 points, and candidates C and D tied, how many points did candidates C and D each receive?
◦ 150
◦ 75
◦ It is not possible to have ties using the Borda count.
◦ Cannot be determined from the information given.
◦ none of these