SALES OPERA TING INCOME BEFORE DEPRECIATION AND AMORTIZATION AND ASSOCIATE'S EARNINGS (4) Operating  income before depreciation and amortization and associate's earnings adjustments  (OI) (4) 2014  2013 Change (Millions of dollars, except for net earnings per share) % Sales 2,712.2  2,611.0 3.9 Operating income before depreciation  and amortization and associate's earnings (4)  188.4  143.7 31.1 Adjusted operating income before depreciation and  amortization and associate's earnings (1)(4)  188.4  183.7 2.6 Net earnings  115.6  79.5 45.4 Adjusted net earnings (4)(5)  115.6  108.9 6.2 Fully diluted net earnings per share  1.32  0.83 59.0 Adjusted fully diluted net earnings per share (4)(5)  1.32  1.15 14.8 Cash flows from: Operating activities  128.5  159.6 — Investing activities  (162.1)  (44.1) — Financing activities  35.3  (123.1) — FOURTH  QUARTER Sales  in the fourthquarter of 2014totalled $2,712.2 million, up 3.9% compared to $2,611.0 million for the same quarter  last year .  Same-store sales were up 3.1 %.  Our aggregate food basket experienced inflation of 2.5 %.  In a market that  remains  intensely competitive, our merchandising strategies and investments as well as the reorganization of our Ontario  store network enabled us to increase sales.  The  fourth quarter acquisition of Première Moisson accounted for 0.5% of  our  sales increase. Operating  income before depreciation and amortization and associate's earnings $^{(4)}$ for the fourthquarter of 2014totalled  $ 188.4 million or 6.9% of sales versus $143.7 million or 5.5% of sales for the same quarter last year. Excluding Ontario  store  network restructuring costs of $40.0 million, adjusted operating income before depreciation and amortization and  associate’ s earnings$^{(1)(4)}$ for the fourthquarter  of  2013 were $183.7 million  or  7.0 %  of sales . In  the fourthquarter of 2014, gross margin on sales was 19.3% versus 19.2% for the same quarter of 2013. The operating  expenses as a percentage of sales ratio was 12.3% for the fourth quarter of 2014 versus 12.1% for the corresponding  quarter of  2013. The acquisition  of  Première Moisson  led  to this difference in  ratios. 12 weeks 2014  2013 (Millions of dollars,  unless otherwise indicated) OI  Sales (%) OI Sales (%) Operating income before depreciation and amortization and associate's  earnings 188.4  2,712.2 6.9 143.7 2,611.0  5.5 Restructuring charges  —  40.0 Adjusted operating income before  depreciation and amortization and  associate's earnings (4) 188.4 2,712.2 6.9 183.7 2,611.0 7.0 $^{(1)}$ See table on "Operating income before depreciation and amortization and associate's earnings adjustments"  $^{(2)}$ See table on "Net earnings from continuing operations adjustments" $^{(3)}$ See section on "Forward-looking information" $^{(4)}$ See section on "IFRS and non-IFRS measurements"  $^{(5)}$ See table on "Net earnings adjustments" -  27 -