Which lease has the least effective rent cost

Discount r : 10%

Year

Lease (Per SQ Ft) 1 2 3 4 5

A $10 $11 $12 $13 $14

B 0 13 14 15 16

C 15 14 13 12 11

A, The Effective rent is the same for B and C

B. Lease A

C, Lease C

D. Lease B

E. The effective rent is the same for A and B