Can you please solve this questions? (General account)

The Parks Corporation manufactures and sells Bluetooth speakers. Each speaker sells for $29.50 and the variable cost per unit is $18.75. Parks's total fixed costs are $30,000, and budgeted sales are 6,000 units. What is the contribution margin per unit?

Pinnacle Services collected $124,600 from customers in 2022. Of the amount collected, $31,800 was from services performed in 2021. In addition, Pinnacle performed services worth $38,900 in 2022, which will not be collected until 2023. The company also paid $84,250 for expenses in 2022. Of the amount paid, $25,400 was for expenses incurred on account in 2021. In addition, Pinnacle incurred $47,300 of expenses in 2022, which will not be paid until 2023. Compute the 2022 cash-basis net income.