What happens in memory when you Box and Unbox a value-type?
a) Box: Allocates memory on the heap, Unbox: Releases memory on the stack
b) Box: Converts value-type to reference-type, Unbox: Converts reference-type to value-type
c) Box: Converts value-type to reference-type, Unbox: Allocates memory on the heap
d) Box and Unbox have no impact on memory