The direct cost of Prorogation

The Scott Ross: Actual Cost of Prorogation $130 Million
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In combining the direct cost of Canadians paying for a Parliament to do nothing for 22 days and the indirect cost of Parliament's lost time due to scrapping a portion of viable Bills, the total cost of prorogation can be justifiably approximated at $130,407,733.
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More Conservative Spin

Accidental Deliberations: The reviews are in
Yesterday, Conservative anyonymice (sic) were offering a new reason for prorogation. The PM, we were told, wanted to ensure that ministers with new portfolios had time to bone up before facing their opposition critics in Question Period.

Pish.
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And, Stockwell Day is now in charge of reigning in spending. His experience? He was Alberta's treasurer - the per capita spending then in Alberta was the highest of any province in Canada. They put a big spender in a position to reign in spending.