6a.Albert sent Bob a text "Will sell 100 widgets at $5 each.Bob responded by text "Accept at $4.50 each, ship at once".Albert did not ship the widgets, Bob sued for breach of contract.Outcome?

6b. Cal was standing next to a large heap of gravel.He told Doug "You can have this heap at $2 per pound".Doug said nothing but later that day sent his truck and started loading the gravel.About half the heap was loaded onto the truck.When Doug came back for the balance of the heap.Cal called Doug and said "the price is now $2.50 per pound".The balance of the heap was loaded onto Doug's truck.Doug weighed the gravel as it was unloaded and determined the first load was 600 pounds and the second load was 700 pounds.How much does Doug owe Cal?