To find out how much it costs Suresh to make all 100 bookmarks, you can multiply the cost of making each bookmark by the total number of bookmarks.
Cost per bookmark = $0.73
Number of bookmarks = 100
Total cost = Cost per bookmark × Number of bookmarks
Total cost = $0.73 × 100 = $73.00
So, the cost for Suresh to make all 100 bookmarks is $73.00.