Here is a forecast of sales by National Bromide for the first 4 months of 2017 (figures in thousands of dollars):

Month: 1 2 3 4 Cash sales 20 29 23 19 Credit sales 125 145 115 95

On average, 60% of credit sales are paid for in the current month, 20% in the next month, and the remainder in the month after that. What are the expected cash collections in months 3 and 4?