The opportunity cost for Elijah of going to a water park is: 1. the price of the admission pass.
2. zero, if he can go with his parents who will pay.
3. zero, if it is raining that day and the water park is closed.
4. the price of the admission pass plus the highest valued alternative activity Elijah could have done instead.
5. the highest valued alternative activity Elijah could have done instead.

The following transactions occurred during july: received $1,000 cash for services provided to a customer during july. received $4,000 cash investment from bob johnson, the owner of the business received $850 from a customer in partial payment of his account receivable which arose from sales in june. provided services to a customer on credit, $475. borrowed $7,000 from the bank by signing a promissory note. received $1,350 cash from a customer for services to be rendered next year. what was the amount of revenue for july?