You can. Scroll down to where it says "Office (Non-subscription)" and you will see the pricing.

http://www.microsoftstore.com/store/msca/en_CA/cat/categoryID.64516400?tid=sNMncPpGi_dc&cid=5387&pcrid=39882273228&pkw=ms%20office%202013&pmt=e&WT.srch=1&WT.mc_id=pointitsem_Microsoft+CA_google_Office+15+Suites+-+EN&WT.term=ms%20office%202013&WT.campaign=Office+15+Suites+-+EN&WT.content=NMncPpGi&WT.source=google&WT.medium=cpc


Resellers like CDW may offer better pricing but you will need to contact them and find the right product for your requirement.

http://www.cdw.ca/shop/search/Software/Business-Software/Application-Suites/result.aspx?w=F25&cx=0&cm_sp=GlobalHeader-_-Products|Software-_-Business|Application_Suites