How much does this cost to the nearest dollar?

AC Adapter for Dell Inspiron 7347 7348 7352 7353 7359 5410 5418 3511 5510 3501 7306 3502 5515 5406 5505 5502 5402 7400 7706 3505 7300 7400 7506 7391 5400 7405 7790 3493 3195 5391 7391 5491 5493 3593
Pleas note this 65W adapter has a 4.5 mm plug tip with a center pin inside (see product picture 3), this adapter replaces the original Dell 45W, 65W adapter, it does NOT replace the 

Price is $18.00

Price: $17.99