Jonathan owns 100% of Carweb.com Ltd. and owns 100% of Taxman Inc. Hence, they are associated. Jonathan owns 10% of Internet Housefind Ltd., which is not an associated company. Each of the three corporations has at least $500,000 of active business income earned in Canada. What is the maximum small-business deduction combined (i.e., total combined SBD deduction of all three companies) that the three corporations can claim on corporate income?

a)$0

b)$500,000

c)$800,000

d)$1,000,000