Problem 1: Each pair of partner nodes can execute a specific kind of smart contract. On this blockchain, partners can execute supply, transfer, or sales contracts. The gear next to arrow a indicates that supplier Right Wrists and Build-4You Corporation can transact with each other using a supply smart contract. Fill in the small boxes on the diagram to indicate what kind of smart contract each pair of partners can execute (supply, transfer, or sale). Problem 2: Companies or departments that do business with each other establish channels on the blockchain. Once a channel is established, participants can execute smart contracts on the channel. Fill in the table below to show which peers transact across each channel, and what kind of contract is allowed on that channel