The following are the expected quality costs of Best Bike Ltd, a major bicycle manufacturer:

Quality inspections during processing	$10,800
Cost of quality training programs	$25,700
Cost of replacement bikes provided under warranty	$13,500
Laboratory testing of bikes and components	$16,800
Cost of rewelding faulty joints discovered during processing	$13,400
Sales commissions on faulty bikes returned by customers	$7,600
Operating an X-ray machine to detect faulty welds	$23,500
Rework on defective wheels	$18,900
Lost contribution on time to correct production line quality problems	$22,300
Contribution margin forgone on lost future bike sales	$11,900

Calculate the total external failure costs.

a) $51,100

b) $25,400

c) $33,000

d) $21,100

e) $54,600