7) "A" is a singer and says she will sing for "B" at "B'''s nightclub, "If I (A) show up and I determine I am able to sing." "A" did show up but refuses to sing. Has "A" breached a contract? Result: Reason: 8) "A" says to B, "I promise to pay you $.10 for each picture but only if I am completely satisfied with them." "B" agrees. Is this agreement enforceable? Result: Reason