The following revenue-based profit functions were for X Company's only two products, A and B, in 2020: Product A: PA = 0.20RA - $30,000 Product B: P8 = 0.36R8 - $63,000 In 2020, revenue from sales of A was $260,000, and revenue from sales of of B was $180,000. Assume the product mix in 2021 remains the same as in 2020, what must total revenue be in 2020 in order for X Company to earn profit of $44,000 [round the weighted average contribution margin rate to two decimal places)? A: $162,162 B: $215,676 OC: $286,849 D: $381,509 E: $507,407 F: $674,852