Choco Corp. manufactures and sells running shoes. During year 2016, its total sales revenue is $50,000 and sold 625 running shoes. The selling price is $80 per unit and variable cost per unit is $11. Total fixed costs are $12,000 per year.

For year 2017, Choco Corp. wants to set $60,000 as its target profits (before taxes). How many running shoes should Choco needs to sell to achieve this target profit? (round your answer to the nearest units)