Pat sued Vince for breach of contract. Pat testified that Vince had agreed to work as a salesman for a 10% commission. Vince testified that the commission was to be 15%. There were no witnessesto the conversation that created the oral contract. Assume that the case is tried before a jury. a. which party has the burden of producing evidence as to the terms of the contract? b. which party has the burden of pursuasion? c. What standard of proof is required? Explain d. Is it possible for the jury to find for Pat without any corroborating evidence? Explain