Suppose that interest payments are $$160$ per year on a $$3,200$ loan and $$650$ per year on an $$9,281$ loan. The interest rates on the two loans are

Multiple Choice

a$.5$ percent and $7$ percent, respectively.

b$.5$ percent on both loans.

c$.1\mathrm{.}6$ percent and $6\mathrm{.}5$ percent, respectively.

d$.20$ percent and $14\mathrm{.}3$ percent, respectively.