According to recent article in Financial Express, "Euro rally amid coronavirus crisis". It has gained more than 1% against dollar, during the worsening corona virus crisis. According to their analysis, "due to its rock bottom interest rates, the euro is an increasingly popular currency to sell in a favor of higher-yielding bets elsewhere- a function usually dominated by the dollar and the yen. This is an example of

(a) Covered interest arbitrage

(b) Exchange rate arbitrage

(c) Carry Trade

(d) risk free arbitrage of dollar

What will happen if indirect quotation of Taka has decreased?

(a) Taka will depreciate against USD.

(b) More USD will be needed to get one unit of Taka.

(c) USD will get weaker against Taka.

(d) none