I need help with this problem. I am getting 168,000 for month 3 and 151,000 for month 4 and it says they are wrong. Not sure where my error is

Homework: Short-term Financial Planning Assignment i Saved 2 Here is a forecast of sales by National Bromide for the first 4 months of 2019 (figures in thousands of dollars): Month: 1 2 3 4 10 Cash sales 21 30 24 20 points Sales on credit 130 150 120 100 On average, 50% of credit sales are paid for in the current month, 30% in the next month, and the remainder in the month after that. What are the expected cash collections in months 3 and 4? (Enter your answers in whole dollars not in thousands of dollars.) Book Expected Cash Collections Print Month 3 Month 4