Please help ASAP if you can!! TIA

Prior to 2019, Ms. Serena Sale had no earned income for RRSP purposes. In 2019 and 2020, she had sufficient earned income to allow for maximum allowable RRSP deductions in 2020 and 2021. However, she did not make any contributions in either of those years. Serena participates in her employer's money purchase RPP. Her employer contributes twice the amount contributed by each employee to the plan. Her PA for 2021 is \\( \\$ 15,200 \\). Serena has been employed by a Canadian public corporation since 2019 . The following information pertains to her income for the past two years. Note 1 I he business income is trom a mall-order busness that Serena rur out of her home. Annual addition 2021 PA Maximum deductible RRSP contribution for 2022 A. Calculate Serena's earned income for the purpose of determining her maximum 2022 RRSP contribution. B. Calculate Serena's maximum deductible RRSP contribution for 2022. Ignore all GST/HST \\& PST considerations. Note 2 The royalty income is from a manual that she wrote on how to write instruction manuals. Requirement B. Calculate Serena's maximum deductible RRSP contribution for 2022