Allan V. Martin, 574 P.2d 457 (Az. 1978).

1. What was the original closing date as provided in the purchase contract? Why was a timely closing important to the Martins?
2. What happened when closing did not occur on the original closing date?
3. What happened when closing did not occur on the second closing date?
4. What is the significance of the "thirteen-day letter" in the escrow instructions?
5. Is the 13-day provision controlling? Explain.