Help me solve where I got the incorrect answers please followed by an explanantion please.

Exercise 8-11 Cash Budget Analysis [LO8-8] A cash budget, by quarters, is given below for a retail company (000 omitted). The company requires a minimum cash balance of at least $4,000 to start each quarter. Fill in the missing amounts. (Enter your answers in thousands of dollars Cash deficiencies and Repayments should be indicated by a minus sign.)