Evaluations for input

Here is a forecast of sales by National Bromide for the first four months of 2019 (figures in $ thousands): <image 1> On the average 50% of credit sales are paid for in the current month, 30% are paid in the next month, and the remainder are paid in the month after that. What is the expected cash inflow from operations in months 3 and 4?

(A) Month 3: $31,000; Month 4:$30,000

(B) Month 3: $81,000; Month 4:$96,000

(C) Month 3: $91,000; Month 4:$86,000

(D) Month 3: $119,000; Month 4:$100,000

Answer with the option's letter from the given choices directly. No punctuation.