Answer:
It will cost 4 cents to print a page using the MOST EXPENSIVE cartridge than using the LEAST EXPENSIVE cartridge .
Explanation:
Cartridge Price Printed Pages
Cartridge A $36.00 300
Cartridge B $67.50 450
Cartridge C $70.00 500
Cartridge D $66.00 600
Cartridge E $84.50 650
Cost of printing 300 pages with Cartridge A = $36
Cost of printing 1 page with Cartridge A =

Cost of printing 450 pages with Cartridge B = $67.50
Cost of printing 1 page with Cartridge B=

Cost of printing 500 pages with Cartridge C = $70
Cost of printing 1 page with Cartridge C =

Cost of printing 600 pages with Cartridge D = $66
Cost of printing 1 page with Cartridge D =

Cost of printing 650 pages with Cartridge D = $84.50
Cost of printing 1 page with Cartridge D =

Based on the unit price per page most expensive cartridge B and least expensive cartridge is Cartridge D.
So, Difference between the unit price of most expensive cartridge B and least expensive cartridge is Cartridge D = $0.15-$0.11 = $0.04
$1 = 100 cents
$0.04 = 4 cents
Hence it will cost 4 cents to print a page using the MOST EXPENSIVE cartridge than using the LEAST EXPENSIVE cartridge .