collecting rent only up to the time of Puritan's breach.

(1) collecting rent only up to the time of Puritan's breach, but (2) saving the gas, oil, and servicing expenses.

(1) collecting rent only up to the time of Puritan's breach, but (2) saving the gas, oil, and servicing expenses between the time of Puritan's breach and the re-rental of the trucks plus (3) getting the re-rental revenue.