Spindler, Inc. $($a U$.$S$.-$based company$),$ imports surfboards from a supplier in Brazil and sells them in the United States. Purchases are denominated in terms of the Brazilian real $($BRL$).$ During $2020,$ Spindler acquires $350$ surfboards at a price of BRL $1,600$ per surfboard, for a total of BRL $560,000\mathrm{.}00.$ Spindler will pay for the surfboards when it sells them. Relevant exchange rates are as follows:

Date U$.$S$.$ Dollar per

Brazilian Real $($BRL$)$

September $1,2020$ $ $0\mathrm{.}240$

December $1,20200\mathrm{.}230$

December $31,20200\mathrm{.}250$

March $1,20210\mathrm{.}235$

Assume that Spindler acquired the surfboards on September $1,2020,$ and made payment on December $1,2020.$ What is the effect of the exchange rate fluctuations on reported income in $2020?$

Assume that Spindler acquired the surfboards on December $1,2020,$ and made payment on March $1,2021.$ What is the effect of the exchange rate fluctuations on reported income in $2020$ and $2021?$

Assume that Spindler acquired the surfboards on September $1,2020,$ and made payment on March $1,2021.$ What is the effect of the exchange rate fluctuations on reported income in $2020$ and in $2021?$

$($Input all amounts as positive values.$)$