Unsure how to find variable expenses

The Robinson Company sells sports decals that can be personalized with a player's name, team name, and jersey number for $5.50 each. Robinson buys the decals from a supplier for $1.40 each and spends an additional $0.50 in variable operating costs per decal. The results of last month's operations are as follows: Prepare a contribution format Income statement for the Robinson Company. (Round per unit values to 2 decimal places, e.g. 52.75 & final answers to 0 decimal places, 5, 725.)