For Valentine's Day, the student council is going to sell single roses and chocolate hearts. The council must first buy roses and hearts to sell. Each rose costs $0.75 while each chocolate heart costs $0.50 at the store . The council has at most $270 to spend on this fundraiser. On average, it takes two minutes to make a rose by wrapping it with a red ribbon and writing a name on the ribbon. On average, it takes one minute to make a chocolate heart by wrapping it and writing a name on the card. The student council has at most 10 hours to prepare the roses and chocolate hearts. If the student council will make a profit of $0.80 on each rose and $0.60 on each chocolate heart.

How many roses and chocolate hearts should they buy, make and sell to maximize profit?