The figure below shows the shape of a flower bed. If arc QR is a semicircle and PQRS a rectangle with QR > RS, what is the perimeter of the flower bed?

I. The perimeter of rectangle PQRS is 28 feet.
II. Each diagonal of rectangle PQRS is 10 feet long.

if statement I alone is sufficient, but statement II alone is not sufficient to answer the question.

if statement II alone is sufficient, but statement I alone is not sufficient to answer the question.

if both statements taken together are sufficient to answer the question, but neither statement alone is sufficient.

if statements I and II together are not sufficient, and additional. data is necded to answer the question.