Please explain your answer.

Markham company has completed ts sales budget for the first quarter of2014 Projected aredit sales for the first four months of the year are shown below 30,000 $45.000 I$48 000 The company's past records show collection of credit sales as follows: 40% in the month of sale and the balance in the following month. The total cash collection from receivables in March expected to O $18000. O SA5000 O $41.400 O $39600