Please help, I have tried doing it but I can't get the answers...

a. $624,000

b. $620,400

c. $675,792

d. $605,280

Rerun Manufacturing Company is in the process of preparing its 2020 budget and anticipating the tobowa changes - 30% Increase in the number of units sold 20% Increase in the direct material unit cost. 15% increase in the direct labor cost per unit 10% increase in the manufacturing overhead cost per unit, 14% Increase in the sales price. 5% increase in the administrative expenses. Rerun does not keep any units in inventory The composition of the cost of finished products during 2019 for direct materials, diect labor, and factory overhead, respectively, was in the two of the condensed income statement for 2019 is as follows: $480,000 24,000 456, eee 308, eee Sales (32,000 units) Less sales returns Net sales Cost of Goods Sold Gross Profit Selling Expenses Admin. Expenses Net Income $148, eee $ 62,000 32, 94, eee $ 54, eee What are estimated net sales for 2020, assuming the sales return/gross sales relationship remains constant