A retailer, Play It Sports expects to sell $$22,000$ worth of tennis balls in a typical month without any advertising. In May, while running a newspaper ad campaign that cost $$1,700$ the store sells $$49,000$ worth of tennis balls. It engages in no other promotions or non$-$recurring events during the month.

For the month of June, Play It Sports has negotiated a deal with their tennis ball supplier, who will offer a one$-$month promotional opportunity to purchase tennis balls at price discounted by $15\%.$ Currently, Play It Sports sells tennis balls at a price of $$7\mathrm{.}00,$ but they plan on reducing the price by $$1\mathrm{.}00$ during the promotion. The current margin Play It Sports makes on tennis balls is $32\%.$

Based on the margin, what is Play It Again's cost per can of tennis balls in May?