please show work

Question no. 4 Marvin Co. had a net loss of $150,000 in 2019 when the selling price per unit was $20, the variable costs per unit were $15 and the fixed costs were $600,000. Management expects per unit data and total fixed costs to be the same in 2020 Management has set a goal of earning net income of $75,000 in 2020 a. Compute the units sold in 2019. b. Compute the number of units that would have to be sold in 2020 to reach management's desired net income level c. Assume that Marvin Co. sells the same number of units in 2020 as it did in 2019. What would the selling price have to be in order to reach the target net income? Use the mathematical equation