Answer the following questions:$1)$ Given the following data file: Student $($Student name, SID, Address, Course $...),$ supposethat: Record size $=80$ bytes, Block size $=2000$ bytes, Total records $=10000$ records, Index field size $=16$ bytes, Pointer size $=4$ bytes.Choice the correct answer from these alternatives: $(0\mathrm{.}5$ Mark for each$)$a$.$ Find the binary search time required without indexing.A$)7$ block accessesB$)9$ block accessesC$)11$ block accessesD$)13$ block accessesb. Find the binary search time required with indexing.A$)3$ block accessesB$)4$ block accessesC$)5$ block accessesD$)6$ block accesses