Estimating deltas.

During the last ten minutes of trading, call options on Commart Inc. common stock have risen from $$1\mathrm{.}25$ to $$1\mathrm{.}70.$

Shares of the underlying stock have risen from $$50\mathrm{.}91$ to $$52\mathrm{.}65$ during the same time interval.

a$.$ Calculate the delta of the call option.

Round your answer to two decimals

b$.$ Calculate the delta of a put option with the same strike price..

Round your answer to two decimals USE EXCEL AND SHOW FORMULA