Help solve please with calculations

Marfin Company projects the following sales for the first three months of the year, $10,600 in January, $12,300 in February; and $13,400 in March. The company eupects 70 of the sales to be cash and the remainder on account. Sales on account are collected 50% in the month of the sale and 50% in the followim month. The Accounts Recelvable sccount has a zero batsnce on fanuary 1. Round to the nearost dollar. Read the tequiroments